/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.launcher3; import android.app.SearchManager; import android.appwidget.AppWidgetManager; import android.appwidget.AppWidgetProviderInfo; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.ContentProviderOperation; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.Intent.ShortcutIconResource; import android.content.IntentFilter; import android.content.pm.PackageManager; import android.content.pm.ProviderInfo; import android.content.pm.ResolveInfo; import android.database.Cursor; import android.graphics.Bitmap; import android.net.Uri; import android.os.Environment; import android.os.Handler; import android.os.HandlerThread; import android.os.Looper; import android.os.Parcelable; import android.os.Process; import android.os.SystemClock; import android.os.TransactionTooLargeException; import android.provider.BaseColumns; import android.text.TextUtils; import android.util.Log; import android.util.LongSparseArray; import android.util.Pair; import com.android.launcher3.compat.AppWidgetManagerCompat; import com.android.launcher3.compat.LauncherActivityInfoCompat; import com.android.launcher3.compat.LauncherAppsCompat; import com.android.launcher3.compat.PackageInstallerCompat; import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo; import com.android.launcher3.compat.UserHandleCompat; import com.android.launcher3.compat.UserManagerCompat; import com.android.launcher3.model.MigrateFromRestoreTask; import com.android.launcher3.model.WidgetsModel; import com.android.launcher3.util.ComponentKey; import com.android.launcher3.util.CursorIconInfo; import com.android.launcher3.util.LongArrayMap; import com.android.launcher3.util.ManagedProfileHeuristic; import com.android.launcher3.util.Thunk; import cyanogenmod.providers.CMSettings; import java.lang.ref.WeakReference; import java.net.URISyntaxException; import java.security.InvalidParameterException; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map.Entry; import java.util.Set; /** * Maintains in-memory state of the Launcher. It is expected that there should be only one * LauncherModel object held in a static. Also provide APIs for updating the database state * for the Launcher. */ public class LauncherModel extends BroadcastReceiver implements LauncherAppsCompat.OnAppsChangedCallbackCompat { static final boolean DEBUG_LOADERS = false; private static final boolean DEBUG_RECEIVER = false; private static final boolean REMOVE_UNRESTORED_ICONS = true; static final String TAG = "Launcher.Model"; public static final int LOADER_FLAG_NONE = 0; public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0; public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1; public static final int LOADER_FLAG_RESIZE_GRID = 1 << 2; private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons private static final long INVALID_SCREEN_ID = -1L; @Thunk final boolean mAppsCanBeOnRemoveableStorage; private final boolean mOldContentProviderExists; @Thunk final LauncherAppState mApp; @Thunk final Object mLock = new Object(); @Thunk DeferredHandler mHandler = new DeferredHandler(); @Thunk LoaderTask mLoaderTask; @Thunk boolean mIsLoaderTaskRunning; @Thunk boolean mHasLoaderCompletedOnce; private volatile boolean mFlushingWorkerThread; private static final String MIGRATE_AUTHORITY = "com.android.launcher2.settings"; @Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); static { sWorkerThread.start(); } @Thunk static final Handler sWorker = new Handler(sWorkerThread.getLooper()); // We start off with everything not loaded. After that, we assume that // our monitoring of the package manager provides all updates and we never // need to do a requery. These are only ever touched from the loader thread. @Thunk boolean mWorkspaceLoaded; @Thunk boolean mAllAppsLoaded; // When we are loading pages synchronously, we can't just post the binding of items on the side // pages as this delays the rotation process. Instead, we wait for a callback from the first // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start // a normal load, we also clear this set of Runnables. static final ArrayList mDeferredBindRunnables = new ArrayList(); /** * Set of runnables to be called on the background thread after the workspace binding * is complete. */ static final ArrayList mBindCompleteRunnables = new ArrayList(); @Thunk WeakReference mCallbacks; // < only access in worker thread > AllAppsList mBgAllAppsList; // Entire list of widgets. WidgetsModel mBgWidgetsModel; // The lock that must be acquired before referencing any static bg data structures. Unlike // other locks, this one can generally be held long-term because we never expect any of these // static data structures to be referenced outside of the worker thread except on the first // load after configuration change. static final Object sBgLock = new Object(); // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by // LauncherModel to their ids static final LongArrayMap sBgItemsIdMap = new LongArrayMap<>(); // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts // created by LauncherModel that are directly on the home screen (however, no widgets or // shortcuts within folders). static final ArrayList sBgWorkspaceItems = new ArrayList(); // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() static final ArrayList sBgAppWidgets = new ArrayList(); // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() static final LongArrayMap sBgFolders = new LongArrayMap<>(); // sBgWorkspaceScreens is the ordered set of workspace screens. static final ArrayList sBgWorkspaceScreens = new ArrayList(); // sBgWidgetProviders is the set of widget providers including custom internal widgets public static HashMap sBgWidgetProviders; // sPendingPackages is a set of packages which could be on sdcard and are not available yet static final HashMap> sPendingPackages = new HashMap>(); // @Thunk IconCache mIconCache; @Thunk final LauncherAppsCompat mLauncherApps; @Thunk final UserManagerCompat mUserManager; public interface Callbacks { public boolean setLoadOnResume(); public int getCurrentWorkspaceScreen(); public void startBinding(); public void bindItems(ArrayList shortcuts, int start, int end, boolean forceAnimateIcons); public void bindScreens(ArrayList orderedScreenIds); public void bindAddScreens(ArrayList orderedScreenIds); public void bindFolders(LongArrayMap folders); public void finishBindingItems(); public void bindAppWidget(LauncherAppWidgetInfo info); public void bindAllApplications(ArrayList apps); public void bindAppsAdded(ArrayList newScreens, ArrayList addNotAnimated, ArrayList addAnimated, ArrayList addedApps); public void bindAppsUpdated(ArrayList apps); public void bindShortcutsChanged(ArrayList updated, ArrayList removed, UserHandleCompat user); public void bindWidgetsRestored(ArrayList widgets); public void bindRestoreItemsChange(HashSet updates); public void bindComponentsRemoved(ArrayList packageNames, ArrayList appInfos, UserHandleCompat user, int reason); public void bindAllPackages(WidgetsModel model); public void bindSearchProviderChanged(); public boolean isAllAppsButtonRank(int rank); public void onPageBoundSynchronously(int page); public void dumpLogsToLocalData(); } public interface ItemInfoFilter { public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); } LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter) { Context context = app.getContext(); mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); String oldProvider = context.getString(R.string.old_launcher_provider_uri); // This may be the same as MIGRATE_AUTHORITY, or it may be replaced by a different // resource string. String redirectAuthority = Uri.parse(oldProvider).getAuthority(); ProviderInfo providerInfo = context.getPackageManager().resolveContentProvider(MIGRATE_AUTHORITY, 0); ProviderInfo redirectProvider = context.getPackageManager().resolveContentProvider(redirectAuthority, 0); Log.d(TAG, "Old launcher provider: " + oldProvider); mOldContentProviderExists = (providerInfo != null) && (redirectProvider != null); if (mOldContentProviderExists) { Log.d(TAG, "Old launcher provider exists."); } else { Log.d(TAG, "Old launcher provider does not exist."); } mApp = app; mBgAllAppsList = new AllAppsList(iconCache, appFilter); mBgWidgetsModel = new WidgetsModel(context, iconCache, appFilter); mIconCache = iconCache; mLauncherApps = LauncherAppsCompat.getInstance(context); mUserManager = UserManagerCompat.getInstance(context); } /** Runs the specified runnable immediately if called from the main thread, otherwise it is * posted on the main thread handler. */ @Thunk void runOnMainThread(Runnable r) { if (sWorkerThread.getThreadId() == Process.myTid()) { // If we are on the worker thread, post onto the main handler mHandler.post(r); } else { r.run(); } } /** Runs the specified runnable immediately if called from the worker thread, otherwise it is * posted on the worker thread handler. */ @Thunk static void runOnWorkerThread(Runnable r) { if (sWorkerThread.getThreadId() == Process.myTid()) { r.run(); } else { // If we are not on the worker thread, then post to the worker handler sWorker.post(r); } } boolean canMigrateFromOldLauncherDb(Launcher launcher) { return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ; } public void setPackageState(final PackageInstallInfo installInfo) { Runnable updateRunnable = new Runnable() { @Override public void run() { synchronized (sBgLock) { final HashSet updates = new HashSet<>(); if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLED) { // Ignore install success events as they are handled by Package add events. return; } for (ItemInfo info : sBgItemsIdMap) { if (info instanceof ShortcutInfo) { ShortcutInfo si = (ShortcutInfo) info; ComponentName cn = si.getTargetComponent(); if (si.isPromise() && (cn != null) && installInfo.packageName.equals(cn.getPackageName())) { si.setInstallProgress(installInfo.progress); if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) { // Mark this info as broken. si.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; } updates.add(si); } } } for (LauncherAppWidgetInfo widget : sBgAppWidgets) { if (widget.providerName.getPackageName().equals(installInfo.packageName)) { widget.installProgress = installInfo.progress; updates.add(widget); } } if (!updates.isEmpty()) { // Push changes to the callback. Runnable r = new Runnable() { public void run() { Callbacks callbacks = getCallback(); if (callbacks != null) { callbacks.bindRestoreItemsChange(updates); } } }; mHandler.post(r); } } } }; runOnWorkerThread(updateRunnable); } /** * Updates the icons and label of all pending icons for the provided package name. */ public void updateSessionDisplayInfo(final String packageName) { Runnable updateRunnable = new Runnable() { @Override public void run() { synchronized (sBgLock) { final ArrayList updates = new ArrayList<>(); final UserHandleCompat user = UserHandleCompat.myUserHandle(); for (ItemInfo info : sBgItemsIdMap) { if (info instanceof ShortcutInfo) { ShortcutInfo si = (ShortcutInfo) info; ComponentName cn = si.getTargetComponent(); if (si.isPromise() && (cn != null) && packageName.equals(cn.getPackageName())) { if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { // For auto install apps update the icon as well as label. mIconCache.getTitleAndIcon(si, si.promisedIntent, user, si.shouldUseLowResIcon()); } else { // Only update the icon for restored apps. si.updateIcon(mIconCache); } updates.add(si); } } } if (!updates.isEmpty()) { // Push changes to the callback. Runnable r = new Runnable() { public void run() { Callbacks callbacks = getCallback(); if (callbacks != null) { callbacks.bindShortcutsChanged(updates, new ArrayList(), user); } } }; mHandler.post(r); } } } }; runOnWorkerThread(updateRunnable); } public void addAppsToAllApps(final Context ctx, final ArrayList allAppsApps) { final Callbacks callbacks = getCallback(); if (allAppsApps == null) { throw new RuntimeException("allAppsApps must not be null"); } if (allAppsApps.isEmpty()) { return; } // Process the newly added applications and add them to the database first Runnable r = new Runnable() { public void run() { runOnMainThread(new Runnable() { public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { callbacks.bindAppsAdded(null, null, null, allAppsApps); } } }); } }; runOnWorkerThread(r); } private static boolean findNextAvailableIconSpaceInScreen(ArrayList occupiedPos, int[] xy, int spanX, int spanY) { LauncherAppState app = LauncherAppState.getInstance(); InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); final int xCount = (int) profile.numColumns; final int yCount = (int) profile.numRows; boolean[][] occupied = new boolean[xCount][yCount]; if (occupiedPos != null) { for (ItemInfo r : occupiedPos) { int right = r.cellX + r.spanX; int bottom = r.cellY + r.spanY; for (int x = r.cellX; 0 <= x && x < right && x < xCount; x++) { for (int y = r.cellY; 0 <= y && y < bottom && y < yCount; y++) { occupied[x][y] = true; } } } } return Utilities.findVacantCell(xy, spanX, spanY, xCount, yCount, occupied); } /** * Find a position on the screen for the given size or adds a new screen. * @return screenId and the coordinates for the item. */ @Thunk Pair findSpaceForItem( Context context, ArrayList workspaceScreens, ArrayList addedWorkspaceScreensFinal, int spanX, int spanY) { LongSparseArray> screenItems = new LongSparseArray<>(); // Use sBgItemsIdMap as all the items are already loaded. assertWorkspaceLoaded(); synchronized (sBgLock) { for (ItemInfo info : sBgItemsIdMap) { if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { ArrayList items = screenItems.get(info.screenId); if (items == null) { items = new ArrayList<>(); screenItems.put(info.screenId, items); } items.add(info); } } } // Find appropriate space for the item. long screenId = 0; int[] cordinates = new int[2]; boolean found = false; int screenCount = workspaceScreens.size(); // First check the preferred screen. int preferredScreenIndex = workspaceScreens.isEmpty() ? 0 : 1; if (preferredScreenIndex < screenCount) { screenId = workspaceScreens.get(preferredScreenIndex); found = findNextAvailableIconSpaceInScreen( screenItems.get(screenId), cordinates, spanX, spanY); } if (!found) { // Search on any of the screens starting from the first screen. for (int screen = 1; screen < screenCount; screen++) { screenId = workspaceScreens.get(screen); if (findNextAvailableIconSpaceInScreen( screenItems.get(screenId), cordinates, spanX, spanY)) { // We found a space for it found = true; break; } } } if (!found) { // Still no position found. Add a new screen to the end. screenId = LauncherAppState.getLauncherProvider().generateNewScreenId(); // Save the screen id for binding in the workspace workspaceScreens.add(screenId); addedWorkspaceScreensFinal.add(screenId); // If we still can't find an empty space, then God help us all!!! if (!findNextAvailableIconSpaceInScreen( screenItems.get(screenId), cordinates, spanX, spanY)) { throw new RuntimeException("Can't find space to add the item"); } } return Pair.create(screenId, cordinates); } /** * Adds the provided items to the workspace. */ public void addAndBindAddedWorkspaceItems(final Context context, final ArrayList workspaceApps) { final Callbacks callbacks = getCallback(); if (workspaceApps.isEmpty()) { return; } // Process the newly added applications and add them to the database first Runnable r = new Runnable() { public void run() { final ArrayList addedShortcutsFinal = new ArrayList(); final ArrayList addedWorkspaceScreensFinal = new ArrayList(); // Get the list of workspace screens. We need to append to this list and // can not use sBgWorkspaceScreens because loadWorkspace() may not have been // called. ArrayList workspaceScreens = loadWorkspaceScreensDb(context); synchronized(sBgLock) { for (ItemInfo item : workspaceApps) { if (item instanceof ShortcutInfo) { // Short-circuit this logic if the icon exists somewhere on the workspace if (shortcutExists(context, item.getIntent(), item.user)) { continue; } } // Find appropriate space for the item. Pair coords = findSpaceForItem(context, workspaceScreens, addedWorkspaceScreensFinal, 1, 1); long screenId = coords.first; int[] cordinates = coords.second; ItemInfo itemInfo; if (item instanceof ShortcutInfo || item instanceof FolderInfo) { itemInfo = item; } else if (item instanceof AppInfo) { itemInfo = ((AppInfo) item).makeShortcut(); } else { throw new RuntimeException("Unexpected info type"); } // Add the shortcut to the db addItemToDatabase(context, itemInfo, LauncherSettings.Favorites.CONTAINER_DESKTOP, screenId, cordinates[0], cordinates[1]); // Save the ShortcutInfo for binding in the workspace addedShortcutsFinal.add(itemInfo); } } // Update the workspace screens updateWorkspaceScreenOrder(context, workspaceScreens); if (!addedShortcutsFinal.isEmpty()) { runOnMainThread(new Runnable() { public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { final ArrayList addAnimated = new ArrayList(); final ArrayList addNotAnimated = new ArrayList(); if (!addedShortcutsFinal.isEmpty()) { ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); long lastScreenId = info.screenId; for (ItemInfo i : addedShortcutsFinal) { if (i.screenId == lastScreenId) { addAnimated.add(i); } else { addNotAnimated.add(i); } } } callbacks.bindAppsAdded(addedWorkspaceScreensFinal, addNotAnimated, addAnimated, null); } } }); } } }; runOnWorkerThread(r); } private void unbindItemInfosAndClearQueuedBindRunnables() { if (sWorkerThread.getThreadId() == Process.myTid()) { throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + "main thread"); } // Clear any deferred bind runnables synchronized (mDeferredBindRunnables) { mDeferredBindRunnables.clear(); } // Remove any queued UI runnables mHandler.cancelAll(); // Unbind all the workspace items unbindWorkspaceItemsOnMainThread(); } /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ void unbindWorkspaceItemsOnMainThread() { // Ensure that we don't use the same workspace items data structure on the main thread // by making a copy of workspace items first. final ArrayList tmpItems = new ArrayList(); synchronized (sBgLock) { tmpItems.addAll(sBgWorkspaceItems); tmpItems.addAll(sBgAppWidgets); } Runnable r = new Runnable() { @Override public void run() { for (ItemInfo item : tmpItems) { item.unbind(); } } }; runOnMainThread(r); } /** * Adds an item to the DB if it was not created previously, or move it to a new * */ static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, long screenId, int cellX, int cellY) { if (item.container == ItemInfo.NO_ID) { // From all apps addItemToDatabase(context, item, container, screenId, cellX, cellY); } else { // From somewhere else moveItemInDatabase(context, item, container, screenId, cellX, cellY); } } static void checkItemInfoLocked( final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { ItemInfo modelItem = sBgItemsIdMap.get(itemId); if (modelItem != null && item != modelItem) { // check all the data is consistent if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; ShortcutInfo shortcut = (ShortcutInfo) item; if (modelShortcut.title.toString().equals(shortcut.title.toString()) && modelShortcut.intent.filterEquals(shortcut.intent) && modelShortcut.id == shortcut.id && modelShortcut.itemType == shortcut.itemType && modelShortcut.container == shortcut.container && modelShortcut.screenId == shortcut.screenId && modelShortcut.cellX == shortcut.cellX && modelShortcut.cellY == shortcut.cellY && modelShortcut.spanX == shortcut.spanX && modelShortcut.spanY == shortcut.spanY && ((modelShortcut.dropPos == null && shortcut.dropPos == null) || (modelShortcut.dropPos != null && shortcut.dropPos != null && modelShortcut.dropPos[0] == shortcut.dropPos[0] && modelShortcut.dropPos[1] == shortcut.dropPos[1]))) { // For all intents and purposes, this is the same object return; } } // the modelItem needs to match up perfectly with item if our model is // to be consistent with the database-- for now, just require // modelItem == item or the equality check above String msg = "item: " + ((item != null) ? item.toString() : "null") + "modelItem: " + ((modelItem != null) ? modelItem.toString() : "null") + "Error: ItemInfo passed to checkItemInfo doesn't match original"; RuntimeException e = new RuntimeException(msg); if (stackTrace != null) { e.setStackTrace(stackTrace); } throw e; } } static void checkItemInfo(final ItemInfo item) { final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); final long itemId = item.id; Runnable r = new Runnable() { public void run() { synchronized (sBgLock) { checkItemInfoLocked(itemId, item, stackTrace); } } }; runOnWorkerThread(r); } static void updateItemInDatabaseHelper(Context context, final ContentValues values, final ItemInfo item, final String callingFunction) { final long itemId = item.id; final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); final ContentResolver cr = context.getContentResolver(); final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); Runnable r = new Runnable() { public void run() { cr.update(uri, values, null, null); updateItemArrays(item, itemId, stackTrace); } }; runOnWorkerThread(r); } static void updateItemsInDatabaseHelper(Context context, final ArrayList valuesList, final ArrayList items, final String callingFunction) { final ContentResolver cr = context.getContentResolver(); final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); Runnable r = new Runnable() { public void run() { ArrayList ops = new ArrayList(); int count = items.size(); for (int i = 0; i < count; i++) { ItemInfo item = items.get(i); final long itemId = item.id; final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); ContentValues values = valuesList.get(i); ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); updateItemArrays(item, itemId, stackTrace); } try { cr.applyBatch(LauncherProvider.AUTHORITY, ops); } catch (Exception e) { e.printStackTrace(); } } }; runOnWorkerThread(r); } static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { // Lock on mBgLock *after* the db operation synchronized (sBgLock) { checkItemInfoLocked(itemId, item, stackTrace); if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { // Item is in a folder, make sure this folder exists if (!sBgFolders.containsKey(item.container)) { // An items container is being set to a that of an item which is not in // the list of Folders. String msg = "item: " + item + " container being set to: " + item.container + ", not in the list of folders"; Log.e(TAG, msg); } } // Items are added/removed from the corresponding FolderInfo elsewhere, such // as in Workspace.onDrop. Here, we just add/remove them from the list of items // that are on the desktop, as appropriate ItemInfo modelItem = sBgItemsIdMap.get(itemId); if (modelItem != null && (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { switch (modelItem.itemType) { case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: if (!sBgWorkspaceItems.contains(modelItem)) { sBgWorkspaceItems.add(modelItem); } break; default: break; } } else { sBgWorkspaceItems.remove(modelItem); } } } public void flushWorkerThread() { mFlushingWorkerThread = true; Runnable waiter = new Runnable() { public void run() { synchronized (this) { notifyAll(); mFlushingWorkerThread = false; } } }; synchronized(waiter) { runOnWorkerThread(waiter); if (mLoaderTask != null) { synchronized(mLoaderTask) { mLoaderTask.notify(); } } boolean success = false; while (!success) { try { waiter.wait(); success = true; } catch (InterruptedException e) { } } } } /** * Move an item in the DB to a new */ public static void moveItemInDatabase(Context context, final ItemInfo item, final long container, final long screenId, final int cellX, final int cellY) { item.container = container; item.cellX = cellX; item.cellY = cellY; // We store hotseat items in canonical form which is this orientation invariant position // in the hotseat if (context instanceof Launcher && screenId < 0 && container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); } else { item.screenId = screenId; } final ContentValues values = new ContentValues(); values.put(LauncherSettings.Favorites.CONTAINER, item.container); values.put(LauncherSettings.Favorites.CELLX, item.cellX); values.put(LauncherSettings.Favorites.CELLY, item.cellY); values.put(LauncherSettings.Favorites.RANK, item.rank); values.put(LauncherSettings.Favorites.SCREEN, item.screenId); updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); } /** * Move items in the DB to a new . We assume that the * cellX, cellY have already been updated on the ItemInfos. */ static void moveItemsInDatabase(Context context, final ArrayList items, final long container, final int screen) { ArrayList contentValues = new ArrayList(); int count = items.size(); for (int i = 0; i < count; i++) { ItemInfo item = items.get(i); item.container = container; // We store hotseat items in canonical form which is this orientation invariant position // in the hotseat if (context instanceof Launcher && screen < 0 && container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, item.cellY); } else { item.screenId = screen; } final ContentValues values = new ContentValues(); values.put(LauncherSettings.Favorites.CONTAINER, item.container); values.put(LauncherSettings.Favorites.CELLX, item.cellX); values.put(LauncherSettings.Favorites.CELLY, item.cellY); values.put(LauncherSettings.Favorites.RANK, item.rank); values.put(LauncherSettings.Favorites.SCREEN, item.screenId); contentValues.add(values); } updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); } /** * Move and/or resize item in the DB to a new */ static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { item.container = container; item.cellX = cellX; item.cellY = cellY; item.spanX = spanX; item.spanY = spanY; // We store hotseat items in canonical form which is this orientation invariant position // in the hotseat if (context instanceof Launcher && screenId < 0 && container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); } else { item.screenId = screenId; } final ContentValues values = new ContentValues(); values.put(LauncherSettings.Favorites.CONTAINER, item.container); values.put(LauncherSettings.Favorites.CELLX, item.cellX); values.put(LauncherSettings.Favorites.CELLY, item.cellY); values.put(LauncherSettings.Favorites.RANK, item.rank); values.put(LauncherSettings.Favorites.SPANX, item.spanX); values.put(LauncherSettings.Favorites.SPANY, item.spanY); values.put(LauncherSettings.Favorites.SCREEN, item.screenId); updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); } /** * Update an item to the database in a specified container. */ public static void updateItemInDatabase(Context context, final ItemInfo item) { final ContentValues values = new ContentValues(); item.onAddToDatabase(context, values); updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); } private void assertWorkspaceLoaded() { if (LauncherAppState.isDogfoodBuild()) { synchronized (mLock) { if (!mHasLoaderCompletedOnce || (mLoaderTask != null && mLoaderTask.mIsLoadingAndBindingWorkspace)) { throw new RuntimeException("Trying to add shortcut while loader is running"); } } } } /** * Returns true if the shortcuts already exists on the workspace. This must be called after * the workspace has been loaded. We identify a shortcut by its intent. */ @Thunk boolean shortcutExists(Context context, Intent intent, UserHandleCompat user) { assertWorkspaceLoaded(); final String intentWithPkg, intentWithoutPkg; if (intent.getComponent() != null) { // If component is not null, an intent with null package will produce // the same result and should also be a match. String packageName = intent.getComponent().getPackageName(); if (intent.getPackage() != null) { intentWithPkg = intent.toUri(0); intentWithoutPkg = new Intent(intent).setPackage(null).toUri(0); } else { intentWithPkg = new Intent(intent).setPackage(packageName).toUri(0); intentWithoutPkg = intent.toUri(0); } } else { intentWithPkg = intent.toUri(0); intentWithoutPkg = intent.toUri(0); } synchronized (sBgLock) { for (ItemInfo item : sBgItemsIdMap) { if (item instanceof ShortcutInfo) { ShortcutInfo info = (ShortcutInfo) item; Intent targetIntent = info.promisedIntent == null ? info.intent : info.promisedIntent; if (targetIntent != null && info.user.equals(user)) { String s = targetIntent.toUri(0); if (intentWithPkg.equals(s) || intentWithoutPkg.equals(s)) { return true; } } } } } return false; } /** * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. */ FolderInfo getFolderById(Context context, LongArrayMap folderList, long id) { final ContentResolver cr = context.getContentResolver(); Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, "_id=? and (itemType=? or itemType=?)", new String[] { String.valueOf(id), String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); try { if (c.moveToFirst()) { final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); final int optionsIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.OPTIONS); final int hiddenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.HIDDEN); FolderInfo folderInfo = null; switch (c.getInt(itemTypeIndex)) { case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: folderInfo = findOrMakeFolder(folderList, id); break; } // Do not trim the folder label, as is was set by the user. folderInfo.title = c.getString(titleIndex); folderInfo.id = id; folderInfo.container = c.getInt(containerIndex); folderInfo.screenId = c.getInt(screenIndex); folderInfo.cellX = c.getInt(cellXIndex); folderInfo.cellY = c.getInt(cellYIndex); folderInfo.options = c.getInt(optionsIndex); folderInfo.hidden = c.getInt(hiddenIndex) > 0; return folderInfo; } } finally { c.close(); } return null; } /** * Add an item to the database in a specified container. Sets the container, screen, cellX and * cellY fields of the item. Also assigns an ID to the item. */ public static void addItemToDatabase(Context context, final ItemInfo item, final long container, final long screenId, final int cellX, final int cellY) { item.container = container; item.cellX = cellX; item.cellY = cellY; // We store hotseat items in canonical form which is this orientation invariant position // in the hotseat if (context instanceof Launcher && screenId < 0 && container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); } else { item.screenId = screenId; } final ContentValues values = new ContentValues(); final ContentResolver cr = context.getContentResolver(); item.onAddToDatabase(context, values); item.id = LauncherAppState.getLauncherProvider().generateNewItemId(); values.put(LauncherSettings.Favorites._ID, item.id); final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); Runnable r = new Runnable() { public void run() { cr.insert(LauncherSettings.Favorites.CONTENT_URI, values); // Lock on mBgLock *after* the db operation synchronized (sBgLock) { checkItemInfoLocked(item.id, item, stackTrace); sBgItemsIdMap.put(item.id, item); switch (item.itemType) { case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: sBgFolders.put(item.id, (FolderInfo) item); // Fall through case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { sBgWorkspaceItems.add(item); } else { if (!sBgFolders.containsKey(item.container)) { // Adding an item to a folder that doesn't exist. String msg = "adding item: " + item + " to a folder that " + " doesn't exist"; Log.e(TAG, msg); } } break; case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: sBgAppWidgets.add((LauncherAppWidgetInfo) item); break; } } } }; runOnWorkerThread(r); } /** * Creates a new unique child id, for a given cell span across all layouts. */ static int getCellLayoutChildId( long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { return (((int) container & 0xFF) << 24) | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); } private static ArrayList getItemsByPackageName( final String pn, final UserHandleCompat user) { ItemInfoFilter filter = new ItemInfoFilter() { @Override public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { return cn.getPackageName().equals(pn) && info.user.equals(user); } }; return filterItemInfos(sBgItemsIdMap, filter); } /** * Removes all the items from the database corresponding to the specified package. */ static void deletePackageFromDatabase(Context context, final String pn, final UserHandleCompat user) { deleteItemsFromDatabase(context, getItemsByPackageName(pn, user)); } /** * Removes the specified item from the database * @param context * @param item */ public static void deleteItemFromDatabase(Context context, final ItemInfo item) { ArrayList items = new ArrayList(); items.add(item); deleteItemsFromDatabase(context, items); } /** * Removes the specified items from the database * @param context * @param items */ static void deleteItemsFromDatabase(Context context, final ArrayList items) { final ContentResolver cr = context.getContentResolver(); Runnable r = new Runnable() { public void run() { for (ItemInfo item : items) { final Uri uri = LauncherSettings.Favorites.getContentUri(item.id); cr.delete(uri, null, null); // Lock on mBgLock *after* the db operation synchronized (sBgLock) { switch (item.itemType) { case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: sBgFolders.remove(item.id); for (ItemInfo info: sBgItemsIdMap) { if (info.container == item.id) { // We are deleting a folder which still contains items that // think they are contained by that folder. String msg = "deleting a folder (" + item + ") which still " + "contains items (" + info + ")"; Log.e(TAG, msg); } } sBgWorkspaceItems.remove(item); break; case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: sBgWorkspaceItems.remove(item); break; case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: sBgAppWidgets.remove((LauncherAppWidgetInfo) item); break; } sBgItemsIdMap.remove(item.id); } } } }; runOnWorkerThread(r); } /** * Update the order of the workspace screens in the database. The array list contains * a list of screen ids in the order that they should appear. */ public void updateWorkspaceScreenOrder(Context context, final ArrayList screens) { final ArrayList screensCopy = new ArrayList(screens); final ContentResolver cr = context.getContentResolver(); final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; // Remove any negative screen ids -- these aren't persisted Iterator iter = screensCopy.iterator(); while (iter.hasNext()) { long id = iter.next(); if (id < 0) { iter.remove(); } } Runnable r = new Runnable() { @Override public void run() { ArrayList ops = new ArrayList(); // Clear the table ops.add(ContentProviderOperation.newDelete(uri).build()); int count = screensCopy.size(); for (int i = 0; i < count; i++) { ContentValues v = new ContentValues(); long screenId = screensCopy.get(i); v.put(LauncherSettings.WorkspaceScreens._ID, screenId); v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build()); } try { cr.applyBatch(LauncherProvider.AUTHORITY, ops); } catch (Exception ex) { throw new RuntimeException(ex); } synchronized (sBgLock) { sBgWorkspaceScreens.clear(); sBgWorkspaceScreens.addAll(screensCopy); } } }; runOnWorkerThread(r); } /** * Remove the contents of the specified folder from the database */ public static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { final ContentResolver cr = context.getContentResolver(); Runnable r = new Runnable() { public void run() { cr.delete(LauncherSettings.Favorites.getContentUri(info.id), null, null); // Lock on mBgLock *after* the db operation synchronized (sBgLock) { sBgItemsIdMap.remove(info.id); sBgFolders.remove(info.id); sBgWorkspaceItems.remove(info); } cr.delete(LauncherSettings.Favorites.CONTENT_URI, LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); // Lock on mBgLock *after* the db operation synchronized (sBgLock) { for (ItemInfo childInfo : info.contents) { sBgItemsIdMap.remove(childInfo.id); } } } }; runOnWorkerThread(r); } /** * Set this as the current Launcher activity object for the loader. */ public void initialize(Callbacks callbacks) { synchronized (mLock) { // Disconnect any of the callbacks and drawables associated with ItemInfos on the // workspace to prevent leaking Launcher activities on orientation change. unbindItemInfosAndClearQueuedBindRunnables(); mCallbacks = new WeakReference(callbacks); } } @Override public void onPackageChanged(String packageName, UserHandleCompat user) { int op = PackageUpdatedTask.OP_UPDATE; enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, user)); } @Override public void onPackageRemoved(String packageName, UserHandleCompat user) { int op = PackageUpdatedTask.OP_REMOVE; enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, user)); } @Override public void onPackageAdded(String packageName, UserHandleCompat user) { int op = PackageUpdatedTask.OP_ADD; enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, user)); } @Override public void onPackagesAvailable(String[] packageNames, UserHandleCompat user, boolean replacing) { if (!replacing) { enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packageNames, user)); if (mAppsCanBeOnRemoveableStorage) { // Only rebind if we support removable storage. It catches the // case where // apps on the external sd card need to be reloaded startLoaderFromBackground(); } } else { // If we are replacing then just update the packages in the list enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, packageNames, user)); } } @Override public void onPackagesUnavailable(String[] packageNames, UserHandleCompat user, boolean replacing) { if (!replacing) { enqueuePackageUpdated(new PackageUpdatedTask( PackageUpdatedTask.OP_UNAVAILABLE, packageNames, user)); } } /** * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and * ACTION_PACKAGE_CHANGED. */ @Override public void onReceive(Context context, Intent intent) { if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent); final String action = intent.getAction(); if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { // If we have changed locale we need to clear out the labels in all apps/workspace. forceReload(); } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action)) { Callbacks callbacks = getCallback(); if (callbacks != null) { callbacks.bindSearchProviderChanged(); } } else if (LauncherAppsCompat.ACTION_MANAGED_PROFILE_ADDED.equals(action) || LauncherAppsCompat.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) { UserManagerCompat.getInstance(context).enableAndResetCache(); forceReload(); } } void forceReload() { resetLoadedState(true, true); // Do this here because if the launcher activity is running it will be restarted. // If it's not running startLoaderFromBackground will merely tell it that it needs // to reload. startLoaderFromBackground(); } public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { synchronized (mLock) { // Stop any existing loaders first, so they don't set mAllAppsLoaded or // mWorkspaceLoaded to true later stopLoaderLocked(); if (resetAllAppsLoaded) mAllAppsLoaded = false; if (resetWorkspaceLoaded) mWorkspaceLoaded = false; } } /** * When the launcher is in the background, it's possible for it to miss paired * configuration changes. So whenever we trigger the loader from the background * tell the launcher that it needs to re-run the loader when it comes back instead * of doing it now. */ public void startLoaderFromBackground() { boolean runLoader = false; Callbacks callbacks = getCallback(); if (callbacks != null) { // Only actually run the loader if they're not paused. if (!callbacks.setLoadOnResume()) { runLoader = true; } } if (runLoader) { startLoader(PagedView.INVALID_RESTORE_PAGE); } } /** * If there is already a loader task running, tell it to stop. */ private void stopLoaderLocked() { LoaderTask oldTask = mLoaderTask; if (oldTask != null) { oldTask.stopLocked(); } } public boolean isCurrentCallbacks(Callbacks callbacks) { return (mCallbacks != null && mCallbacks.get() == callbacks); } public void startLoader(int synchronousBindPage) { startLoader(synchronousBindPage, LOADER_FLAG_NONE); } public void startLoader(int synchronousBindPage, int loadFlags) { // Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems InstallShortcutReceiver.enableInstallQueue(); synchronized (mLock) { // Clear any deferred bind-runnables from the synchronized load process // We must do this before any loading/binding is scheduled below. synchronized (mDeferredBindRunnables) { mDeferredBindRunnables.clear(); } // Don't bother to start the thread if we know it's not going to do anything if (mCallbacks != null && mCallbacks.get() != null) { // If there is already one running, tell it to stop. stopLoaderLocked(); mLoaderTask = new LoaderTask(mApp.getContext(), loadFlags); if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE && mAllAppsLoaded && mWorkspaceLoaded && !mIsLoaderTaskRunning) { mLoaderTask.runBindSynchronousPage(synchronousBindPage); } else { sWorkerThread.setPriority(Thread.NORM_PRIORITY); sWorker.post(mLoaderTask); } } } } void bindRemainingSynchronousPages() { // Post the remaining side pages to be loaded if (!mDeferredBindRunnables.isEmpty()) { Runnable[] deferredBindRunnables = null; synchronized (mDeferredBindRunnables) { deferredBindRunnables = mDeferredBindRunnables.toArray( new Runnable[mDeferredBindRunnables.size()]); mDeferredBindRunnables.clear(); } for (final Runnable r : deferredBindRunnables) { mHandler.post(r); } } } public void stopLoader() { synchronized (mLock) { if (mLoaderTask != null) { mLoaderTask.stopLocked(); } } } /** * Loads the workspace screen ids in an ordered list. */ public static ArrayList loadWorkspaceScreensDb(Context context) { final ContentResolver contentResolver = context.getContentResolver(); final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; // Get screens ordered by rank. final Cursor sc = contentResolver.query(screensUri, null, null, null, LauncherSettings.WorkspaceScreens.SCREEN_RANK); ArrayList screenIds = new ArrayList(); try { final int idIndex = sc.getColumnIndexOrThrow(LauncherSettings.WorkspaceScreens._ID); while (sc.moveToNext()) { try { screenIds.add(sc.getLong(idIndex)); } catch (Exception e) { Launcher.addDumpLog(TAG, "Desktop items loading interrupted" + " - invalid screens: " + e, true); } } } finally { sc.close(); } return screenIds; } public boolean isAllAppsLoaded() { return mAllAppsLoaded; } /** * Runnable for the thread that loads the contents of the launcher: * - workspace icons * - widgets * - all apps icons */ private class LoaderTask implements Runnable { private Context mContext; @Thunk boolean mIsLoadingAndBindingWorkspace; private boolean mStopped; @Thunk boolean mLoadAndBindStepFinished; private int mFlags; LoaderTask(Context context, int flags) { mContext = context; mFlags = flags; } private void loadAndBindWorkspace() { mIsLoadingAndBindingWorkspace = true; // Load the workspace if (DEBUG_LOADERS) { Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); } if (!mWorkspaceLoaded) { loadWorkspace(); synchronized (LoaderTask.this) { if (mStopped) { return; } mWorkspaceLoaded = true; } } // Bind the workspace bindWorkspace(-1); } private void waitForIdle() { // Wait until the either we're stopped or the other threads are done. // This way we don't start loading all apps until the workspace has settled // down. synchronized (LoaderTask.this) { final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; mHandler.postIdle(new Runnable() { public void run() { synchronized (LoaderTask.this) { mLoadAndBindStepFinished = true; if (DEBUG_LOADERS) { Log.d(TAG, "done with previous binding step"); } LoaderTask.this.notify(); } } }); while (!mStopped && !mLoadAndBindStepFinished) { try { // Just in case mFlushingWorkerThread changes but we aren't woken up, // wait no longer than 1sec at a time this.wait(1000); } catch (InterruptedException ex) { // Ignore } } if (DEBUG_LOADERS) { Log.d(TAG, "waited " + (SystemClock.uptimeMillis()-workspaceWaitTime) + "ms for previous step to finish binding"); } } } void runBindSynchronousPage(int synchronousBindPage) { if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) { // Ensure that we have a valid page index to load synchronously throw new RuntimeException("Should not call runBindSynchronousPage() without " + "valid page index"); } if (!mAllAppsLoaded || !mWorkspaceLoaded) { // Ensure that we don't try and bind a specified page when the pages have not been // loaded already (we should load everything asynchronously in that case) throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); } synchronized (mLock) { if (mIsLoaderTaskRunning) { // Ensure that we are never running the background loading at this point since // we also touch the background collections throw new RuntimeException("Error! Background loading is already running"); } } // XXX: Throw an exception if we are already loading (since we touch the worker thread // data structures, we can't allow any other thread to touch that data, but because // this call is synchronous, we can get away with not locking). // The LauncherModel is static in the LauncherAppState and mHandler may have queued // operations from the previous activity. We need to ensure that all queued operations // are executed before any synchronous binding work is done. mHandler.flush(); // Divide the set of loaded items into those that we are binding synchronously, and // everything else that is to be bound normally (asynchronously). bindWorkspace(synchronousBindPage); // XXX: For now, continue posting the binding of AllApps as there are other issues that // arise from that. onlyBindAllApps(); } public void run() { synchronized (mLock) { if (mStopped) { return; } mIsLoaderTaskRunning = true; } // Optimize for end-user experience: if the Launcher is up and // running with the // All Apps interface in the foreground, load All Apps first. Otherwise, load the // workspace first (default). keep_running: { if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); loadAndBindWorkspace(); if (mStopped) { break keep_running; } waitForIdle(); // second step if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); loadAndBindAllApps(); } // Clear out this reference, otherwise we end up holding it until all of the // callback runnables are done. mContext = null; synchronized (mLock) { // If we are still the last one to be scheduled, remove ourselves. if (mLoaderTask == this) { mLoaderTask = null; } mIsLoaderTaskRunning = false; mHasLoaderCompletedOnce = true; } } public void stopLocked() { synchronized (LoaderTask.this) { mStopped = true; this.notify(); } } /** * Gets the callbacks object. If we've been stopped, or if the launcher object * has somehow been garbage collected, return null instead. Pass in the Callbacks * object that was around when the deferred message was scheduled, and if there's * a new Callbacks object around then also return null. This will save us from * calling onto it with data that will be ignored. */ Callbacks tryGetCallbacks(Callbacks oldCallbacks) { synchronized (mLock) { if (mStopped) { return null; } if (mCallbacks == null) { return null; } final Callbacks callbacks = mCallbacks.get(); if (callbacks != oldCallbacks) { return null; } if (callbacks == null) { Log.w(TAG, "no mCallbacks"); return null; } return callbacks; } } // check & update map of what's occupied; used to discard overlapping/invalid items private boolean checkItemPlacement(LongArrayMap occupied, ItemInfo item, ArrayList workspaceScreens, boolean shouldResizeAndUpdateDB) { LauncherAppState app = LauncherAppState.getInstance(); InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); final int countX = profile.numColumns; final int countY = profile.numRows; long containerIndex = item.screenId; if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { // Return early if we detect that an item is under the hotseat button if (mCallbacks == null || mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) { Log.e(TAG, "Error loading shortcut into hotseat " + item + " into position (" + item.screenId + ":" + item.cellX + "," + item.cellY + ") occupied by all apps"); return false; } final ItemInfo[][] hotseatItems = occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT); if (item.screenId >= profile.numHotseatIcons) { Log.e(TAG, "Error loading shortcut " + item + " into hotseat position " + item.screenId + ", position out of bounds: (0 to " + (profile.numHotseatIcons - 1) + ")"); return false; } if (hotseatItems != null) { if (hotseatItems[(int) item.screenId][0] != null) { Log.e(TAG, "Error loading shortcut into hotseat " + item + " into position (" + item.screenId + ":" + item.cellX + "," + item.cellY + ") occupied by " + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) [(int) item.screenId][0]); return false; } else { hotseatItems[(int) item.screenId][0] = item; return true; } } else { final ItemInfo[][] items = new ItemInfo[(int) profile.numHotseatIcons][1]; items[(int) item.screenId][0] = item; occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); return true; } } else if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { if (!workspaceScreens.contains((Long) item.screenId)) { // The item has an invalid screen id. return false; } } else { // Skip further checking if it is not the hotseat or workspace container return true; } // If the current item's position lies outside of the bounds // of the current grid size, attempt to place it in the next // available position. if (item.cellX < 0 || item.cellY < 0 || item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) { // If we won't be resizing the grid, then just return, this item does not fit. if (!shouldResizeAndUpdateDB) { Log.e(TAG, "Error loading shortcut " + item + " into cell (" + containerIndex + "-" + item.screenId + ":" + item.cellX + "," + item.cellY + ") out of screen bounds ( " + countX + "x" + countY + ")"); return false; } if (item.itemType != LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET) { // Place the item at 0 0 of screen 1 // if items overlap here, they will be moved later on item.cellX = 0; item.cellY = 0; item.screenId = 1; item.wasMovedDueToReducedSpace = true; item.requiresDbUpdate = true; } else { // see if widget can be shrunk to fit a screen, if not, just remove it if (item.minSpanX > countX || item.minSpanY > countY) { return false; } // if the widget is larger than the grid, shrink it down if (item.cellX + item.spanX > countX) { item.cellX = 0; item.spanY = (item.spanY / 2) > 0 ? item.spanY / 2 : 1; item.spanX = item.minSpanX; item.requiresDbUpdate = true; item.wasMovedDueToReducedSpace = true; } if (item.cellY + item.spanY > countY) { item.cellY = 0; item.spanY = countY; item.requiresDbUpdate = true; item.wasMovedDueToReducedSpace = true; } if (item.cellY + item.spanY == countY && item.cellX + item.spanX == countX) { // if the widget is the size of the grid, make a screen all it's own. item.screenId = sBgWorkspaceScreens.size() + 1; } } } else { item.wasMovedDueToReducedSpace = false; item.requiresDbUpdate = true; } if (!occupied.containsKey(item.screenId)) { ItemInfo[][] items = new ItemInfo[countX][countY]; occupied.put(item.screenId, items); } ItemInfo[][] screens = occupied.get(item.screenId); // Check if any workspace icons overlap with each other for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { if (!shouldResizeAndUpdateDB && screens[x][y] != null) { Log.e(TAG, "Error loading shortcut " + item + " into cell (" + containerIndex + "-" + item.screenId + ":" + x + "," + y + ") occupied by " + screens[x][y]); return false; } } } for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { screens[x][y] = item; if (item.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET && shouldResizeAndUpdateDB) { // fill up the entire grid where the widget technically is for (int spanX = x; spanX < item.spanX; spanX++) { screens[spanX][y] = item; for (int spanY = y; spanY < item.spanX; spanY++) { screens[spanX][spanY] = item; } } } } } return true; } /** Clears all the sBg data structures */ private void clearSBgDataStructures() { synchronized (sBgLock) { sBgWorkspaceItems.clear(); sBgAppWidgets.clear(); sBgFolders.clear(); sBgItemsIdMap.clear(); sBgWorkspaceScreens.clear(); } } private void loadWorkspace() { final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; final Context context = mContext; final ContentResolver contentResolver = context.getContentResolver(); final PackageManager manager = context.getPackageManager(); final boolean isSafeMode = manager.isSafeMode(); final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); final boolean isSdCardReady = context.registerReceiver(null, new IntentFilter(StartupReceiver.SYSTEM_READY)) != null; LauncherAppState app = LauncherAppState.getInstance(); InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); int countX = profile.numColumns; int countY = profile.numRows; boolean shouldResize = ((mFlags & LOADER_FLAG_RESIZE_GRID) != 0); if (MigrateFromRestoreTask.ENABLED && MigrateFromRestoreTask.shouldRunTask(mContext)) { long migrationStartTime = System.currentTimeMillis(); Log.v(TAG, "Starting workspace migration after restore"); try { MigrateFromRestoreTask task = new MigrateFromRestoreTask(mContext); // Clear the flags before starting the task, so that we do not run the task // again, in case there was an uncaught error. MigrateFromRestoreTask.clearFlags(mContext); task.execute(); } catch (Exception e) { Log.e(TAG, "Error during grid migration", e); // Clear workspace. mFlags = mFlags | LOADER_FLAG_CLEAR_WORKSPACE; } Log.v(TAG, "Workspace migration completed in " + (System.currentTimeMillis() - migrationStartTime)); } if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) { Launcher.addDumpLog(TAG, "loadWorkspace: resetting launcher database", true); LauncherAppState.getLauncherProvider().deleteDatabase(); } if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) { // append the user's Launcher2 shortcuts Launcher.addDumpLog(TAG, "loadWorkspace: migrating from launcher2", true); LauncherAppState.getLauncherProvider().migrateLauncher2Shortcuts(); } else { // Make sure the default workspace is loaded Launcher.addDumpLog(TAG, "loadWorkspace: loading default favorites", false); LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(); } synchronized (sBgLock) { clearSBgDataStructures(); final HashMap installingPkgs = PackageInstallerCompat .getInstance(mContext).updateAndGetActiveSessionCache(); sBgWorkspaceScreens.addAll(loadWorkspaceScreensDb(mContext)); final ArrayList itemsToRemove = new ArrayList(); final ArrayList restoredRows = new ArrayList(); final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri); final Cursor c = contentResolver.query(contentUri, null, null, null, null); // +1 for the hotseat (it can be larger than the workspace) // Load workspace in reverse order to ensure that latest items are loaded first (and // before any earlier duplicates) final LongArrayMap occupied = new LongArrayMap<>(); try { final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); final int intentIndex = c.getColumnIndexOrThrow (LauncherSettings.Favorites.INTENT); final int titleIndex = c.getColumnIndexOrThrow (LauncherSettings.Favorites.TITLE); final int containerIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.CONTAINER); final int itemTypeIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.ITEM_TYPE); final int appWidgetIdIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.APPWIDGET_ID); final int appWidgetProviderIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.APPWIDGET_PROVIDER); final int screenIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.SCREEN); final int cellXIndex = c.getColumnIndexOrThrow (LauncherSettings.Favorites.CELLX); final int cellYIndex = c.getColumnIndexOrThrow (LauncherSettings.Favorites.CELLY); final int spanXIndex = c.getColumnIndexOrThrow (LauncherSettings.Favorites.SPANX); final int spanYIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.SPANY); final int rankIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.RANK); final int restoredIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.RESTORED); final int profileIdIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.PROFILE_ID); final int optionsIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.OPTIONS); final int hiddenIndex = c.getColumnIndexOrThrow( LauncherSettings.Favorites.HIDDEN); final CursorIconInfo cursorIconInfo = new CursorIconInfo(c); final LongSparseArray allUsers = new LongSparseArray<>(); for (UserHandleCompat user : mUserManager.getUserProfiles()) { allUsers.put(mUserManager.getSerialNumberForUser(user), user); } ShortcutInfo info; String intentDescription; LauncherAppWidgetInfo appWidgetInfo; int container; long id; long serialNumber; Intent intent; UserHandleCompat user; while (!mStopped && c.moveToNext()) { try { int itemType = c.getInt(itemTypeIndex); boolean restored = 0 != c.getInt(restoredIndex); boolean allowMissingTarget = false; container = c.getInt(containerIndex); switch (itemType) { case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: id = c.getLong(idIndex); intentDescription = c.getString(intentIndex); serialNumber = c.getInt(profileIdIndex); user = allUsers.get(serialNumber); int promiseType = c.getInt(restoredIndex); int disabledState = 0; boolean itemReplaced = false; if (user == null) { // User has been deleted remove the item. itemsToRemove.add(id); continue; } try { intent = Intent.parseUri(intentDescription, 0); ComponentName cn = intent.getComponent(); if (cn != null && cn.getPackageName() != null) { boolean validPkg = launcherApps.isPackageEnabledForProfile( cn.getPackageName(), user); boolean validComponent = validPkg && launcherApps.isActivityEnabledForProfile(cn, user); if (validComponent) { if (restored) { // no special handling necessary for this item restoredRows.add(id); restored = false; } } else if (validPkg) { intent = null; if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { // We allow auto install apps to have their intent // updated after an install. intent = manager.getLaunchIntentForPackage( cn.getPackageName()); if (intent != null) { ContentValues values = new ContentValues(); values.put(LauncherSettings.Favorites.INTENT, intent.toUri(0)); updateItem(id, values); } } if (intent == null) { // The app is installed but the component is no // longer available. Launcher.addDumpLog(TAG, "Invalid component removed: " + cn, true); itemsToRemove.add(id); continue; } else { // no special handling necessary for this item restoredRows.add(id); restored = false; } } else if (restored) { // Package is not yet available but might be // installed later. Launcher.addDumpLog(TAG, "package not yet restored: " + cn, true); if ((promiseType & ShortcutInfo.FLAG_RESTORE_STARTED) != 0) { // Restore has started once. } else if (installingPkgs.containsKey(cn.getPackageName())) { // App restore has started. Update the flag promiseType |= ShortcutInfo.FLAG_RESTORE_STARTED; ContentValues values = new ContentValues(); values.put(LauncherSettings.Favorites.RESTORED, promiseType); updateItem(id, values); } else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) { // This is a common app. Try to replace this. int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType); CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context); if (parser.findDefaultApp()) { // Default app found. Replace it. intent = parser.parsedIntent; cn = intent.getComponent(); ContentValues values = parser.parsedValues; values.put(LauncherSettings.Favorites.RESTORED, 0); updateItem(id, values); restored = false; itemReplaced = true; } else if (REMOVE_UNRESTORED_ICONS) { Launcher.addDumpLog(TAG, "Unrestored package removed: " + cn, true); itemsToRemove.add(id); continue; } } else if (REMOVE_UNRESTORED_ICONS) { Launcher.addDumpLog(TAG, "Unrestored package removed: " + cn, true); itemsToRemove.add(id); continue; } } else if (launcherApps.isAppEnabled( manager, cn.getPackageName(), PackageManager.GET_UNINSTALLED_PACKAGES)) { // Package is present but not available. allowMissingTarget = true; disabledState = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; } else if (!isSdCardReady) { // SdCard is not ready yet. Package might get available, // once it is ready. Launcher.addDumpLog(TAG, "Invalid package: " + cn + " (check again later)", true); HashSet pkgs = sPendingPackages.get(user); if (pkgs == null) { pkgs = new HashSet(); sPendingPackages.put(user, pkgs); } pkgs.add(cn.getPackageName()); allowMissingTarget = true; // Add the icon on the workspace anyway. } else { // Do not wait for external media load anymore. // Log the invalid package, and remove it Launcher.addDumpLog(TAG, "Invalid package removed: " + cn, true); itemsToRemove.add(id); continue; } } else if (cn == null) { // For shortcuts with no component, keep them as they are restoredRows.add(id); restored = false; } } catch (URISyntaxException e) { Launcher.addDumpLog(TAG, "Invalid uri: " + intentDescription, true); itemsToRemove.add(id); continue; } boolean useLowResIcon = container >= 0 && c.getInt(rankIndex) >= FolderIcon.NUM_ITEMS_IN_PREVIEW; if (itemReplaced) { if (user.equals(UserHandleCompat.myUserHandle())) { info = getAppShortcutInfo(manager, intent, user, context, null, cursorIconInfo.iconIndex, titleIndex, false, useLowResIcon); } else { // Don't replace items for other profiles. itemsToRemove.add(id); continue; } } else if (restored) { if (user.equals(UserHandleCompat.myUserHandle())) { Launcher.addDumpLog(TAG, "constructing info for partially restored package", true); info = getRestoredItemInfo(c, titleIndex, intent, promiseType, itemType, cursorIconInfo, context); intent = getRestoredItemIntent(c, context, intent); } else { // Don't restore items for other profiles. itemsToRemove.add(id); continue; } } else if (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { info = getAppShortcutInfo(manager, intent, user, context, c, cursorIconInfo.iconIndex, titleIndex, allowMissingTarget, useLowResIcon); } else { info = getShortcutInfo(c, context, titleIndex, cursorIconInfo); // App shortcuts that used to be automatically added to Launcher // didn't always have the correct intent flags set, so do that // here if (intent.getAction() != null && intent.getCategories() != null && intent.getAction().equals(Intent.ACTION_MAIN) && intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { intent.addFlags( Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); } } if (info != null) { info.id = id; info.intent = intent; info.container = container; info.screenId = c.getInt(screenIndex); info.cellX = c.getInt(cellXIndex); info.cellY = c.getInt(cellYIndex); info.rank = c.getInt(rankIndex); info.spanX = 1; info.spanY = 1; info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); if (info.promisedIntent != null) { info.promisedIntent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); } info.isDisabled = disabledState; if (isSafeMode && !Utilities.isSystemApp(context, intent)) { info.isDisabled |= ShortcutInfo.FLAG_DISABLED_SAFEMODE; } // check & update map of what's occupied if (!checkItemPlacement(occupied, info, sBgWorkspaceScreens, shouldResize)) { itemsToRemove.add(id); break; } if (restored) { ComponentName cn = info.getTargetComponent(); if (cn != null) { Integer progress = installingPkgs.get(cn.getPackageName()); if (progress != null) { info.setInstallProgress(progress); } else { info.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; } } } switch (container) { case LauncherSettings.Favorites.CONTAINER_DESKTOP: case LauncherSettings.Favorites.CONTAINER_HOTSEAT: sBgWorkspaceItems.add(info); break; default: // Item is in a user folder FolderInfo folderInfo = findOrMakeFolder(sBgFolders, container); folderInfo.add(info); break; } sBgItemsIdMap.put(info.id, info); } else { throw new RuntimeException("Unexpected null ShortcutInfo"); } break; case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: id = c.getLong(idIndex); FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); // Do not trim the folder label, as is was set by the user. folderInfo.title = c.getString(titleIndex); folderInfo.id = id; folderInfo.container = container; folderInfo.screenId = c.getInt(screenIndex); folderInfo.cellX = c.getInt(cellXIndex); folderInfo.cellY = c.getInt(cellYIndex); folderInfo.spanX = 1; folderInfo.spanY = 1; folderInfo.options = c.getInt(optionsIndex); folderInfo.hidden = c.getInt(hiddenIndex) > 0; // check & update map of what's occupied if (!checkItemPlacement(occupied, folderInfo, sBgWorkspaceScreens, shouldResize)) { itemsToRemove.add(id); break; } switch (container) { case LauncherSettings.Favorites.CONTAINER_DESKTOP: case LauncherSettings.Favorites.CONTAINER_HOTSEAT: sBgWorkspaceItems.add(folderInfo); break; } if (restored) { // no special handling required for restored folders restoredRows.add(id); } sBgItemsIdMap.put(folderInfo.id, folderInfo); sBgFolders.put(folderInfo.id, folderInfo); break; case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET: // Read all Launcher-specific widget details boolean customWidget = itemType == LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET; int appWidgetId = c.getInt(appWidgetIdIndex); serialNumber = c.getLong(profileIdIndex); String savedProvider = c.getString(appWidgetProviderIndex); id = c.getLong(idIndex); user = allUsers.get(serialNumber); if (user == null) { itemsToRemove.add(id); continue; } final ComponentName component = ComponentName.unflattenFromString(savedProvider); final int restoreStatus = c.getInt(restoredIndex); final boolean isIdValid = (restoreStatus & LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) == 0; final boolean wasProviderReady = (restoreStatus & LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0; final LauncherAppWidgetProviderInfo provider = LauncherModel.getProviderInfo(context, ComponentName.unflattenFromString(savedProvider), user); final boolean isProviderReady = isValidProvider(provider); if (!isSafeMode && !customWidget && wasProviderReady && !isProviderReady) { String log = "Deleting widget that isn't installed anymore: " + "id=" + id + " appWidgetId=" + appWidgetId; Log.e(TAG, log); Launcher.addDumpLog(TAG, log, false); itemsToRemove.add(id); } else { if (isProviderReady) { appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, provider.provider); // The provider is available. So the widget is either // available or not available. We do not need to track // any future restore updates. int status = restoreStatus & ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; if (!wasProviderReady) { // If provider was not previously ready, update the // status and UI flag. // Id would be valid only if the widget restore broadcast was received. if (isIdValid) { status = LauncherAppWidgetInfo.FLAG_UI_NOT_READY; } else { status &= ~LauncherAppWidgetInfo .FLAG_PROVIDER_NOT_READY; } } appWidgetInfo.restoreStatus = status; } else { Log.v(TAG, "Widget restore pending id=" + id + " appWidgetId=" + appWidgetId + " status =" + restoreStatus); appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, component); appWidgetInfo.restoreStatus = restoreStatus; Integer installProgress = installingPkgs.get(component.getPackageName()); if ((restoreStatus & LauncherAppWidgetInfo.FLAG_RESTORE_STARTED) != 0) { // Restore has started once. } else if (installProgress != null) { // App restore has started. Update the flag appWidgetInfo.restoreStatus |= LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; } else if (REMOVE_UNRESTORED_ICONS && !isSafeMode) { Launcher.addDumpLog(TAG, "Unrestored widget removed: " + component, true); itemsToRemove.add(id); continue; } appWidgetInfo.installProgress = installProgress == null ? 0 : installProgress; } appWidgetInfo.id = id; appWidgetInfo.screenId = c.getInt(screenIndex); appWidgetInfo.cellX = c.getInt(cellXIndex); appWidgetInfo.cellY = c.getInt(cellYIndex); appWidgetInfo.spanX = c.getInt(spanXIndex); appWidgetInfo.spanY = c.getInt(spanYIndex); appWidgetInfo.user = user; if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { Log.e(TAG, "Widget found where container != " + "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); itemsToRemove.add(id); continue; } appWidgetInfo.container = container; // check & update map of what's occupied if (!checkItemPlacement(occupied, appWidgetInfo, sBgWorkspaceScreens, shouldResize)) { itemsToRemove.add(id); break; } if (!customWidget) { String providerName = appWidgetInfo.providerName.flattenToString(); if (!providerName.equals(savedProvider) || (appWidgetInfo.restoreStatus != restoreStatus)) { ContentValues values = new ContentValues(); values.put( LauncherSettings.Favorites.APPWIDGET_PROVIDER, providerName); values.put(LauncherSettings.Favorites.RESTORED, appWidgetInfo.restoreStatus); updateItem(id, values); } } sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); sBgAppWidgets.add(appWidgetInfo); } break; } } catch (Exception e) { Launcher.addDumpLog(TAG, "Desktop items loading interrupted", e, true); } } } finally { if (c != null) { c.close(); } } // Break early if we've stopped loading if (mStopped) { clearSBgDataStructures(); return; } if (itemsToRemove.size() > 0) { // Remove dead items contentResolver.delete(LauncherSettings.Favorites.CONTENT_URI, Utilities.createDbSelectionQuery( LauncherSettings.Favorites._ID, itemsToRemove), null); if (DEBUG_LOADERS) { Log.d(TAG, "Removed = " + Utilities.createDbSelectionQuery( LauncherSettings.Favorites._ID, itemsToRemove)); } // Remove any empty folder for (long folderId : LauncherAppState.getLauncherProvider() .deleteEmptyFolders()) { sBgWorkspaceItems.remove(sBgFolders.get(folderId)); sBgFolders.remove(folderId); sBgItemsIdMap.remove(folderId); } } // Sort all the folder items and make sure the first 3 items are high resolution. for (FolderInfo folder : sBgFolders) { Collections.sort(folder.contents, Folder.ITEM_POS_COMPARATOR); int pos = 0; for (ShortcutInfo info : folder.contents) { if (info.usingLowResIcon) { info.updateIcon(mIconCache, false); } pos ++; if (pos >= FolderIcon.NUM_ITEMS_IN_PREVIEW) { break; } } } if (restoredRows.size() > 0) { // Update restored items that no longer require special handling ContentValues values = new ContentValues(); values.put(LauncherSettings.Favorites.RESTORED, 0); contentResolver.update(LauncherSettings.Favorites.CONTENT_URI, values, Utilities.createDbSelectionQuery( LauncherSettings.Favorites._ID, restoredRows), null); } if (!isSdCardReady && !sPendingPackages.isEmpty()) { context.registerReceiver(new AppsAvailabilityCheck(), new IntentFilter(StartupReceiver.SYSTEM_READY), null, sWorker); } // Remove any empty screens ArrayList unusedScreens = new ArrayList(sBgWorkspaceScreens); for (ItemInfo item: sBgItemsIdMap) { long screenId = item.screenId; if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && unusedScreens.contains(screenId)) { unusedScreens.remove(screenId); } } // If there are any empty screens remove them, and update. if (unusedScreens.size() != 0) { sBgWorkspaceScreens.removeAll(unusedScreens); updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); } // If any items have been shifted and require a DB update, update them in the DB. if (shouldResize) { for (ItemInfo info : sBgWorkspaceItems) { if (info != null && info.requiresDbUpdate) { info.requiresDbUpdate = false; LauncherModel.modifyItemInDatabase(mContext, info, info.container, info.screenId, info.cellX, info.cellY, info.spanX, info.spanY); } } } if (DEBUG_LOADERS) { Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); Log.d(TAG, "workspace layout: "); int nScreens = occupied.size(); for (int y = 0; y < countY; y++) { String line = ""; for (int i = 0; i < nScreens; i++) { long screenId = occupied.keyAt(i); if (screenId > 0) { line += " | "; } ItemInfo[][] screen = occupied.valueAt(i); for (int x = 0; x < countX; x++) { if (x < screen.length && y < screen[x].length) { line += (screen[x][y] != null) ? "#" : "."; } else { line += "!"; } } } Log.d(TAG, "[ " + line + " ]"); } } } } /** * Partially updates the item without any notification. Must be called on the worker thread. */ private void updateItem(long itemId, ContentValues update) { mContext.getContentResolver().update( LauncherSettings.Favorites.CONTENT_URI, update, BaseColumns._ID + "= ?", new String[]{Long.toString(itemId)}); } /** Filters the set of items who are directly or indirectly (via another container) on the * specified screen. */ private void filterCurrentWorkspaceItems(long currentScreenId, ArrayList allWorkspaceItems, ArrayList currentScreenItems, ArrayList otherScreenItems) { // Purge any null ItemInfos Iterator iter = allWorkspaceItems.iterator(); while (iter.hasNext()) { ItemInfo i = iter.next(); if (i == null) { iter.remove(); } } // Order the set of items by their containers first, this allows use to walk through the // list sequentially, build up a list of containers that are in the specified screen, // as well as all items in those containers. Set itemsOnScreen = new HashSet(); Collections.sort(allWorkspaceItems, new Comparator() { @Override public int compare(ItemInfo lhs, ItemInfo rhs) { return (int) (lhs.container - rhs.container); } }); for (ItemInfo info : allWorkspaceItems) { if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { if (info.screenId == currentScreenId) { currentScreenItems.add(info); itemsOnScreen.add(info.id); } else { otherScreenItems.add(info); } } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { currentScreenItems.add(info); itemsOnScreen.add(info.id); } else { if (itemsOnScreen.contains(info.container)) { currentScreenItems.add(info); itemsOnScreen.add(info.id); } else { otherScreenItems.add(info); } } } } /** Filters the set of widgets which are on the specified screen. */ private void filterCurrentAppWidgets(long currentScreenId, ArrayList appWidgets, ArrayList currentScreenWidgets, ArrayList otherScreenWidgets) { for (LauncherAppWidgetInfo widget : appWidgets) { if (widget == null) continue; if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && widget.screenId == currentScreenId) { currentScreenWidgets.add(widget); } else { otherScreenWidgets.add(widget); } } } /** Filters the set of folders which are on the specified screen. */ private void filterCurrentFolders(long currentScreenId, LongArrayMap itemsIdMap, LongArrayMap folders, LongArrayMap currentScreenFolders, LongArrayMap otherScreenFolders) { int total = folders.size(); for (int i = 0; i < total; i++) { long id = folders.keyAt(i); FolderInfo folder = folders.valueAt(i); ItemInfo info = itemsIdMap.get(id); if (info == null || folder == null) continue; if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && info.screenId == currentScreenId) { currentScreenFolders.put(id, folder); } else { otherScreenFolders.put(id, folder); } } } /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to * right) */ private void sortWorkspaceItemsSpatially(ArrayList workspaceItems) { final LauncherAppState app = LauncherAppState.getInstance(); final InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); // XXX: review this Collections.sort(workspaceItems, new Comparator() { @Override public int compare(ItemInfo lhs, ItemInfo rhs) { int cellCountX = (int) profile.numColumns; int cellCountY = (int) profile.numRows; int screenOffset = cellCountX * cellCountY; int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + lhs.cellY * cellCountX + lhs.cellX); long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + rhs.cellY * cellCountX + rhs.cellX); return (int) (lr - rr); } }); } private void bindWorkspaceScreens(final Callbacks oldCallbacks, final ArrayList orderedScreens) { final Runnable r = new Runnable() { @Override public void run() { Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.bindScreens(orderedScreens); } } }; runOnMainThread(r); } private void removeHiddenAppsWorkspaceItems( final ArrayList workspaceItems, final ArrayList appWidgets, final LongArrayMap folders) { // Get hidden apps ArrayList mHiddenApps = new ArrayList(); ArrayList mHiddenAppsPackages = new ArrayList(); Context context = mApp.getContext(); String protectedComponents = CMSettings.Secure.getString(context.getContentResolver(), CMSettings.Secure.PROTECTED_COMPONENTS); protectedComponents = protectedComponents == null ? "" : protectedComponents; String[] flattened = protectedComponents.split("\\|"); for (String flat : flattened) { ComponentName cmp = ComponentName.unflattenFromString(flat); if (cmp != null) { mHiddenApps.add(cmp); mHiddenAppsPackages.add(cmp.getPackageName()); } } // Shortcuts int N = workspaceItems.size() - 1; for (int i = N; i >= 0; i--) { final ItemInfo item = workspaceItems.get(i); if (item instanceof ShortcutInfo) { ShortcutInfo shortcut = (ShortcutInfo)item; if (shortcut.intent != null && shortcut.intent.getComponent() != null) { if (mHiddenApps.contains(shortcut.intent.getComponent())) { LauncherModel.deleteItemFromDatabase(mContext, shortcut); workspaceItems.remove(i); } } } else { // Only remove items from folders that aren't hidden final FolderInfo folder = (FolderInfo)item; List shortcuts = folder.contents; int NN = shortcuts.size() - 1; for (int j = NN; j >= 0; j--) { final ShortcutInfo sci = shortcuts.get(j); if (sci.intent != null && sci.intent.getComponent() != null) { if (!folder.hidden){ if (mHiddenApps.contains(sci.intent.getComponent())) { LauncherModel.deleteItemFromDatabase(mContext, sci); Runnable r = new Runnable() { public void run() { folder.remove(sci); } }; runOnMainThread(r); } } else { if (!mHiddenApps.contains(sci.intent.getComponent())) { LauncherModel.deleteItemFromDatabase(mContext, sci); Runnable r = new Runnable() { public void run() { folder.remove(sci); } }; runOnMainThread(r); } } } } if (folder.contents.size() == 1 && !folder.hidden) { ShortcutInfo finalItem = folder.contents.get(0); finalItem.container = folder.container; LauncherModel.deleteItemFromDatabase(mContext, folder); // only replace this item back on the workspace if it's not protected if (!mHiddenApps.contains(finalItem.intent.getComponent())) { LauncherModel.addOrMoveItemInDatabase(mContext, finalItem, folder.container, folder.screenId, folder.cellX, folder.cellY); workspaceItems.add(finalItem); } workspaceItems.remove(i); folders.remove(Long.valueOf(item.id)); } else if (folder.contents.size() == 0) { LauncherModel.deleteFolderContentsFromDatabase(mContext, folder); workspaceItems.remove(i); folders.remove(Long.valueOf(item.id)); } } } // AppWidgets N = appWidgets.size() - 1; for (int i = N; i >= 0; i--) { final LauncherAppWidgetInfo item = appWidgets.get(i); if (item.providerName != null) { if (mHiddenAppsPackages.contains(item.providerName.getPackageName())) { LauncherModel.deleteItemFromDatabase(mContext, item); appWidgets.remove(i); } } } } private void bindWorkspaceItems(final Callbacks oldCallbacks, final ArrayList workspaceItems, final ArrayList appWidgets, final LongArrayMap folders, ArrayList deferredBindRunnables) { final boolean postOnMainThread = (deferredBindRunnables != null); removeHiddenAppsWorkspaceItems(workspaceItems, appWidgets, folders); // Bind the workspace items int N = workspaceItems.size(); for (int i = 0; i < N; i += ITEMS_CHUNK) { final int start = i; final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); final Runnable r = new Runnable() { @Override public void run() { Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.bindItems(workspaceItems, start, start+chunkSize, false); } } }; if (postOnMainThread) { synchronized (deferredBindRunnables) { deferredBindRunnables.add(r); } } else { runOnMainThread(r); } } // Bind the folders if (!folders.isEmpty()) { final Runnable r = new Runnable() { public void run() { Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.bindFolders(folders); } } }; if (postOnMainThread) { synchronized (deferredBindRunnables) { deferredBindRunnables.add(r); } } else { runOnMainThread(r); } } // Bind the widgets, one at a time N = appWidgets.size(); for (int i = 0; i < N; i++) { final LauncherAppWidgetInfo widget = appWidgets.get(i); final Runnable r = new Runnable() { public void run() { Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.bindAppWidget(widget); } } }; if (postOnMainThread) { deferredBindRunnables.add(r); } else { runOnMainThread(r); } } } /** * Binds all loaded data to actual views on the main thread. */ private void bindWorkspace(int synchronizeBindPage) { final long t = SystemClock.uptimeMillis(); Runnable r; // Don't use these two variables in any of the callback runnables. // Otherwise we hold a reference to them. final Callbacks oldCallbacks = mCallbacks.get(); if (oldCallbacks == null) { // This launcher has exited and nobody bothered to tell us. Just bail. Log.w(TAG, "LoaderTask running with no launcher"); return; } // Save a copy of all the bg-thread collections ArrayList workspaceItems = new ArrayList(); ArrayList appWidgets = new ArrayList(); ArrayList orderedScreenIds = new ArrayList(); final LongArrayMap folders; final LongArrayMap itemsIdMap; synchronized (sBgLock) { workspaceItems.addAll(sBgWorkspaceItems); appWidgets.addAll(sBgAppWidgets); orderedScreenIds.addAll(sBgWorkspaceScreens); folders = sBgFolders.clone(); itemsIdMap = sBgItemsIdMap.clone(); } final boolean isLoadingSynchronously = synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE; int currScreen = isLoadingSynchronously ? synchronizeBindPage : oldCallbacks.getCurrentWorkspaceScreen(); if (currScreen >= orderedScreenIds.size()) { // There may be no workspace screens (just hotseat items and an empty page). currScreen = PagedView.INVALID_RESTORE_PAGE; } final int currentScreen = currScreen; final long currentScreenId = currentScreen < 0 ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen); // Load all the items that are on the current page first (and in the process, unbind // all the existing workspace items before we call startBinding() below. unbindWorkspaceItemsOnMainThread(); // Separate the items that are on the current screen, and all the other remaining items ArrayList currentWorkspaceItems = new ArrayList(); ArrayList otherWorkspaceItems = new ArrayList(); ArrayList currentAppWidgets = new ArrayList(); ArrayList otherAppWidgets = new ArrayList(); LongArrayMap currentFolders = new LongArrayMap<>(); LongArrayMap otherFolders = new LongArrayMap<>(); filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems, otherWorkspaceItems); filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets, otherAppWidgets); filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders, otherFolders); sortWorkspaceItemsSpatially(currentWorkspaceItems); sortWorkspaceItemsSpatially(otherWorkspaceItems); // Tell the workspace that we're about to start binding items r = new Runnable() { public void run() { Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.startBinding(); } } }; runOnMainThread(r); bindWorkspaceScreens(oldCallbacks, orderedScreenIds); // Load items on the current page bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, currentFolders, null); if (isLoadingSynchronously) { r = new Runnable() { public void run() { Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) { callbacks.onPageBoundSynchronously(currentScreen); } } }; runOnMainThread(r); } // Load all the remaining pages (if we are loading synchronously, we want to defer this // work until after the first render) synchronized (mDeferredBindRunnables) { mDeferredBindRunnables.clear(); } bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, (isLoadingSynchronously ? mDeferredBindRunnables : null)); // Tell the workspace that we're done binding items r = new Runnable() { public void run() { Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.finishBindingItems(); } mIsLoadingAndBindingWorkspace = false; // Run all the bind complete runnables after workspace is bound. if (!mBindCompleteRunnables.isEmpty()) { synchronized (mBindCompleteRunnables) { for (final Runnable r : mBindCompleteRunnables) { runOnWorkerThread(r); } mBindCompleteRunnables.clear(); } } // If we're profiling, ensure this is the last thing in the queue. if (DEBUG_LOADERS) { Log.d(TAG, "bound workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); } } }; if (isLoadingSynchronously) { synchronized (mDeferredBindRunnables) { mDeferredBindRunnables.add(r); } } else { runOnMainThread(r); } } private void loadAndBindAllApps() { if (DEBUG_LOADERS) { Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); } if (!mAllAppsLoaded) { loadAllApps(); synchronized (LoaderTask.this) { if (mStopped) { return; } } updateIconCache(); synchronized (LoaderTask.this) { if (mStopped) { return; } mAllAppsLoaded = true; } } else { onlyBindAllApps(); } } private void updateIconCache() { // Ignore packages which have a promise icon. HashSet packagesToIgnore = new HashSet<>(); synchronized (sBgLock) { for (ItemInfo info : sBgItemsIdMap) { if (info instanceof ShortcutInfo) { ShortcutInfo si = (ShortcutInfo) info; if (si.isPromise() && si.getTargetComponent() != null) { packagesToIgnore.add(si.getTargetComponent().getPackageName()); } } else if (info instanceof LauncherAppWidgetInfo) { LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info; if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) { packagesToIgnore.add(lawi.providerName.getPackageName()); } } } } mIconCache.updateDbIcons(packagesToIgnore); } private void onlyBindAllApps() { final Callbacks oldCallbacks = mCallbacks.get(); if (oldCallbacks == null) { // This launcher has exited and nobody bothered to tell us. Just bail. Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); return; } // shallow copy @SuppressWarnings("unchecked") final ArrayList list = (ArrayList) mBgAllAppsList.data.clone(); final WidgetsModel widgetList = mBgWidgetsModel.clone(); Runnable r = new Runnable() { public void run() { final long t = SystemClock.uptimeMillis(); final Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.bindAllApplications(list); callbacks.bindAllPackages(widgetList); } if (DEBUG_LOADERS) { Log.d(TAG, "bound all " + list.size() + " apps from cache in " + (SystemClock.uptimeMillis()-t) + "ms"); } } }; boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); if (isRunningOnMainThread) { r.run(); } else { mHandler.post(r); } } private void loadAllApps() { final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; final Callbacks oldCallbacks = mCallbacks.get(); if (oldCallbacks == null) { // This launcher has exited and nobody bothered to tell us. Just bail. Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); return; } final List profiles = mUserManager.getUserProfiles(); // Clear the list of apps mBgAllAppsList.clear(); for (UserHandleCompat user : profiles) { // Query for the set of apps final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; final List apps = mLauncherApps.getActivityList(null, user); if (DEBUG_LOADERS) { Log.d(TAG, "getActivityList took " + (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user); Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user); } // Fail if we don't have any apps // TODO: Fix this. Only fail for the current user. if (apps == null || apps.isEmpty()) { return; } // Create the ApplicationInfos for (int i = 0; i < apps.size(); i++) { LauncherActivityInfoCompat app = apps.get(i); // This builds the icon bitmaps. mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache)); } final ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(mContext, user); if (heuristic != null) { final Runnable r = new Runnable() { @Override public void run() { heuristic.processUserApps(apps); } }; runOnMainThread(new Runnable() { @Override public void run() { // Check isLoadingWorkspace on the UI thread, as it is updated on // the UI thread. if (mIsLoadingAndBindingWorkspace) { synchronized (mBindCompleteRunnables) { mBindCompleteRunnables.add(r); } } else { runOnWorkerThread(r); } } }); } } // Huh? Shouldn't this be inside the Runnable below? final ArrayList added = mBgAllAppsList.added; mBgAllAppsList.added = new ArrayList(); // Post callback on main thread mHandler.post(new Runnable() { public void run() { final long bindTime = SystemClock.uptimeMillis(); final Callbacks callbacks = tryGetCallbacks(oldCallbacks); if (callbacks != null) { callbacks.bindAllApplications(added); if (DEBUG_LOADERS) { Log.d(TAG, "bound " + added.size() + " apps in " + (SystemClock.uptimeMillis() - bindTime) + "ms"); } } else { Log.i(TAG, "not binding apps: no Launcher activity"); } } }); // Cleanup any data stored for a deleted user. ManagedProfileHeuristic.processAllUsers(profiles, mContext); loadAndBindWidgetsAndShortcuts(tryGetCallbacks(oldCallbacks), true /* refresh */); if (DEBUG_LOADERS) { Log.d(TAG, "Icons processed in " + (SystemClock.uptimeMillis() - loadTime) + "ms"); } } public void dumpState() { synchronized (sBgLock) { Log.d(TAG, "mLoaderTask.mContext=" + mContext); Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); } } } /** * Called when the icons for packages have been updated in the icon cache. */ public void onPackageIconsUpdated(HashSet updatedPackages, UserHandleCompat user) { final Callbacks callbacks = getCallback(); final ArrayList updatedApps = new ArrayList<>(); final ArrayList updatedShortcuts = new ArrayList<>(); // If any package icon has changed (app was updated while launcher was dead), // update the corresponding shortcuts. synchronized (sBgLock) { for (ItemInfo info : sBgItemsIdMap) { if (info instanceof ShortcutInfo && user.equals(info.user) && info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { ShortcutInfo si = (ShortcutInfo) info; ComponentName cn = si.getTargetComponent(); if (cn != null && updatedPackages.contains(cn.getPackageName())) { si.updateIcon(mIconCache); updatedShortcuts.add(si); } } } mBgAllAppsList.updateIconsAndLabels(updatedPackages, user, updatedApps); } if (!updatedShortcuts.isEmpty()) { final UserHandleCompat userFinal = user; mHandler.post(new Runnable() { public void run() { Callbacks cb = getCallback(); if (cb != null && callbacks == cb) { cb.bindShortcutsChanged(updatedShortcuts, new ArrayList(), userFinal); } } }); } if (!updatedApps.isEmpty()) { mHandler.post(new Runnable() { public void run() { Callbacks cb = getCallback(); if (cb != null && callbacks == cb) { cb.bindAppsUpdated(updatedApps); } } }); } // Reload widget list. No need to refresh, as we only want to update the icons and labels. loadAndBindWidgetsAndShortcuts(callbacks, false); } void enqueuePackageUpdated(PackageUpdatedTask task) { sWorker.post(task); } @Thunk class AppsAvailabilityCheck extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { synchronized (sBgLock) { final LauncherAppsCompat launcherApps = LauncherAppsCompat .getInstance(mApp.getContext()); final PackageManager manager = context.getPackageManager(); final ArrayList packagesRemoved = new ArrayList(); final ArrayList packagesUnavailable = new ArrayList(); for (Entry> entry : sPendingPackages.entrySet()) { UserHandleCompat user = entry.getKey(); packagesRemoved.clear(); packagesUnavailable.clear(); for (String pkg : entry.getValue()) { if (!launcherApps.isPackageEnabledForProfile(pkg, user)) { boolean packageOnSdcard = launcherApps.isAppEnabled( manager, pkg, PackageManager.GET_UNINSTALLED_PACKAGES); if (packageOnSdcard) { Launcher.addDumpLog(TAG, "Package found on sd-card: " + pkg, true); packagesUnavailable.add(pkg); } else { Launcher.addDumpLog(TAG, "Package not found: " + pkg, true); packagesRemoved.add(pkg); } } } if (!packagesRemoved.isEmpty()) { enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_REMOVE, packagesRemoved.toArray(new String[packagesRemoved.size()]), user)); } if (!packagesUnavailable.isEmpty()) { enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UNAVAILABLE, packagesUnavailable.toArray(new String[packagesUnavailable.size()]), user)); } } sPendingPackages.clear(); } } } private class PackageUpdatedTask implements Runnable { int mOp; String[] mPackages; UserHandleCompat mUser; public static final int OP_NONE = 0; public static final int OP_ADD = 1; public static final int OP_UPDATE = 2; public static final int OP_REMOVE = 3; // uninstlled public static final int OP_UNAVAILABLE = 4; // external media unmounted public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) { mOp = op; mPackages = packages; mUser = user; } public void run() { if (!mHasLoaderCompletedOnce) { // Loader has not yet run. return; } final Context context = mApp.getContext(); final String[] packages = mPackages; final int N = packages.length; switch (mOp) { case OP_ADD: { for (int i=0; i added = null; ArrayList modified = null; final ArrayList removedApps = new ArrayList(); if (mBgAllAppsList.added.size() > 0) { added = new ArrayList(mBgAllAppsList.added); mBgAllAppsList.added.clear(); } if (mBgAllAppsList.modified.size() > 0) { modified = new ArrayList(mBgAllAppsList.modified); mBgAllAppsList.modified.clear(); } if (mBgAllAppsList.removed.size() > 0) { removedApps.addAll(mBgAllAppsList.removed); mBgAllAppsList.removed.clear(); } final Callbacks callbacks = getCallback(); if (callbacks == null) { Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); return; } final HashMap addedOrUpdatedApps = new HashMap(); if (added != null) { addAppsToAllApps(context, added); for (AppInfo ai : added) { addedOrUpdatedApps.put(ai.componentName, ai); } } if (modified != null) { final ArrayList modifiedFinal = modified; for (AppInfo ai : modified) { addedOrUpdatedApps.put(ai.componentName, ai); } mHandler.post(new Runnable() { public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { callbacks.bindAppsUpdated(modifiedFinal); } } }); } // Update shortcut infos if (mOp == OP_ADD || mOp == OP_UPDATE) { final ArrayList updatedShortcuts = new ArrayList(); final ArrayList removedShortcuts = new ArrayList(); final ArrayList widgets = new ArrayList(); HashSet packageSet = new HashSet(Arrays.asList(packages)); synchronized (sBgLock) { for (ItemInfo info : sBgItemsIdMap) { if (info instanceof ShortcutInfo && mUser.equals(info.user)) { ShortcutInfo si = (ShortcutInfo) info; boolean infoUpdated = false; boolean shortcutUpdated = false; // Update shortcuts which use iconResource. if ((si.iconResource != null) && packageSet.contains(si.iconResource.packageName)) { Bitmap icon = Utilities.createIconBitmap( si.iconResource.packageName, si.iconResource.resourceName, context); if (icon != null) { si.setIcon(icon); si.usingFallbackIcon = false; infoUpdated = true; } } ComponentName cn = si.getTargetComponent(); if (cn != null && packageSet.contains(cn.getPackageName())) { AppInfo appInfo = addedOrUpdatedApps.get(cn); if (si.isPromise()) { if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { // Auto install icon PackageManager pm = context.getPackageManager(); ResolveInfo matched = pm.resolveActivity( new Intent(Intent.ACTION_MAIN) .setComponent(cn).addCategory(Intent.CATEGORY_LAUNCHER), PackageManager.MATCH_DEFAULT_ONLY); if (matched == null) { // Try to find the best match activity. Intent intent = pm.getLaunchIntentForPackage( cn.getPackageName()); if (intent != null) { cn = intent.getComponent(); appInfo = addedOrUpdatedApps.get(cn); } if ((intent == null) || (appInfo == null)) { removedShortcuts.add(si); continue; } si.promisedIntent = intent; } } // Restore the shortcut. if (appInfo != null) { si.flags = appInfo.flags; } si.intent = si.promisedIntent; si.promisedIntent = null; si.status = ShortcutInfo.DEFAULT; infoUpdated = true; si.updateIcon(mIconCache); } if (appInfo != null && Intent.ACTION_MAIN.equals(si.intent.getAction()) && si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { si.updateIcon(mIconCache); si.title = Utilities.trim(appInfo.title); si.contentDescription = appInfo.contentDescription; infoUpdated = true; } if ((si.isDisabled & ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE) != 0) { // Since package was just updated, the target must be available now. si.isDisabled &= ~ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; shortcutUpdated = true; } } if (infoUpdated || shortcutUpdated) { updatedShortcuts.add(si); } if (infoUpdated) { updateItemInDatabase(context, si); } } else if (info instanceof LauncherAppWidgetInfo) { LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo) info; if (mUser.equals(widgetInfo.user) && widgetInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) && packageSet.contains(widgetInfo.providerName.getPackageName())) { widgetInfo.restoreStatus &= ~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY & ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; // adding this flag ensures that launcher shows 'click to setup' // if the widget has a config activity. In case there is no config // activity, it will be marked as 'restored' during bind. widgetInfo.restoreStatus |= LauncherAppWidgetInfo.FLAG_UI_NOT_READY; widgets.add(widgetInfo); updateItemInDatabase(context, widgetInfo); } } } } if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) { mHandler.post(new Runnable() { public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { callbacks.bindShortcutsChanged( updatedShortcuts, removedShortcuts, mUser); } } }); if (!removedShortcuts.isEmpty()) { deleteItemsFromDatabase(context, removedShortcuts); } } if (!widgets.isEmpty()) { mHandler.post(new Runnable() { public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { callbacks.bindWidgetsRestored(widgets); } } }); } } final ArrayList removedPackageNames = new ArrayList(); if (mOp == OP_REMOVE || mOp == OP_UNAVAILABLE) { // Mark all packages in the broadcast to be removed removedPackageNames.addAll(Arrays.asList(packages)); } else if (mOp == OP_UPDATE) { // Mark disabled packages in the broadcast to be removed for (int i=0; i infos = getItemInfoForComponentName(a.componentName, mUser); deleteItemsFromDatabase(context, infos); } removeReason = 0; } // Remove any queued items from the install queue InstallShortcutReceiver.removeFromInstallQueue(context, removedPackageNames, mUser); // Call the components-removed callback mHandler.post(new Runnable() { public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { callbacks.bindComponentsRemoved( removedPackageNames, removedApps, mUser, removeReason); } } }); } // Update widgets if (mOp == OP_ADD || mOp == OP_REMOVE || mOp == OP_UPDATE) { // Always refresh for a package event on secondary user boolean needToRefresh = !mUser.equals(UserHandleCompat.myUserHandle()); // Refresh widget list, if the package already had a widget. synchronized (sBgLock) { if (sBgWidgetProviders != null) { HashSet pkgSet = new HashSet<>(); Collections.addAll(pkgSet, mPackages); for (ComponentKey key : sBgWidgetProviders.keySet()) { needToRefresh |= key.user.equals(mUser) && pkgSet.contains(key.componentName.getPackageName()); } } } if (!needToRefresh && mOp != OP_REMOVE) { // Refresh widget list, if there is any newly added widget PackageManager pm = context.getPackageManager(); for (String pkg : mPackages) { needToRefresh |= !pm.queryBroadcastReceivers( new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE) .setPackage(pkg), 0).isEmpty(); } } loadAndBindWidgetsAndShortcuts(callbacks, needToRefresh); } // Write all the logs to disk mHandler.post(new Runnable() { public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { callbacks.dumpLogsToLocalData(); } } }); } } public static List getWidgetProviders(Context context, boolean refresh) { ArrayList results = new ArrayList(); try { synchronized (sBgLock) { if (sBgWidgetProviders == null || refresh) { HashMap tmpWidgetProviders = new HashMap<>(); AppWidgetManagerCompat wm = AppWidgetManagerCompat.getInstance(context); LauncherAppWidgetProviderInfo info; List widgets = wm.getAllProviders(); for (AppWidgetProviderInfo pInfo : widgets) { info = LauncherAppWidgetProviderInfo.fromProviderInfo(context, pInfo); UserHandleCompat user = wm.getUser(info); tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); } Collection customWidgets = Launcher.getCustomAppWidgets().values(); for (CustomAppWidget widget : customWidgets) { info = new LauncherAppWidgetProviderInfo(context, widget); UserHandleCompat user = wm.getUser(info); tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); } // Replace the global list at the very end, so that if there is an exception, // previously loaded provider list is used. sBgWidgetProviders = tmpWidgetProviders; } results.addAll(sBgWidgetProviders.values()); return results; } } catch (Exception e) { if (e.getCause() instanceof TransactionTooLargeException) { // the returned value may be incomplete and will not be refreshed until the next // time Launcher starts. // TODO: after figuring out a repro step, introduce a dirty bit to check when // onResume is called to refresh the widget provider list. synchronized (sBgLock) { if (sBgWidgetProviders != null) { results.addAll(sBgWidgetProviders.values()); } return results; } } else { throw e; } } } public static LauncherAppWidgetProviderInfo getProviderInfo(Context ctx, ComponentName name, UserHandleCompat user) { synchronized (sBgLock) { if (sBgWidgetProviders == null) { getWidgetProviders(ctx, false /* refresh */); } return sBgWidgetProviders.get(new ComponentKey(name, user)); } } public void loadAndBindWidgetsAndShortcuts(final Callbacks callbacks, final boolean refresh) { runOnWorkerThread(new Runnable() { @Override public void run() { updateWidgetsModel(refresh); final WidgetsModel model = mBgWidgetsModel.clone(); mHandler.post(new Runnable() { @Override public void run() { Callbacks cb = getCallback(); if (callbacks == cb && cb != null) { callbacks.bindAllPackages(model); } } }); // update the Widget entries inside DB on the worker thread. LauncherAppState.getInstance().getWidgetCache().removeObsoletePreviews( model.getRawList()); } }); } /** * Returns a list of ResolveInfos/AppWidgetInfos. * * @see #loadAndBindWidgetsAndShortcuts */ @Thunk void updateWidgetsModel(boolean refresh) { PackageManager packageManager = mApp.getContext().getPackageManager(); final ArrayList widgetsAndShortcuts = new ArrayList(); widgetsAndShortcuts.addAll(getWidgetProviders(mApp.getContext(), refresh)); Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); mBgWidgetsModel.setWidgetsAndShortcuts(widgetsAndShortcuts); } @Thunk static boolean isPackageDisabled(Context context, String packageName, UserHandleCompat user) { final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); return !launcherApps.isPackageEnabledForProfile(packageName, user); } public static boolean isValidPackageActivity(Context context, ComponentName cn, UserHandleCompat user) { if (cn == null) { return false; } final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); if (!launcherApps.isPackageEnabledForProfile(cn.getPackageName(), user)) { return false; } return launcherApps.isActivityEnabledForProfile(cn, user); } public static boolean isValidPackage(Context context, String packageName, UserHandleCompat user) { if (packageName == null) { return false; } final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); return launcherApps.isPackageEnabledForProfile(packageName, user); } /** * Make an ShortcutInfo object for a restored application or shortcut item that points * to a package that is not yet installed on the system. */ public ShortcutInfo getRestoredItemInfo(Cursor c, int titleIndex, Intent intent, int promiseType, int itemType, CursorIconInfo iconInfo, Context context) { final ShortcutInfo info = new ShortcutInfo(); info.user = UserHandleCompat.myUserHandle(); Bitmap icon = iconInfo.loadIcon(c, info, context); // the fallback icon if (icon == null) { mIconCache.getTitleAndIcon(info, intent, info.user, false /* useLowResIcon */); } else { info.setIcon(icon); } if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) { String title = (c != null) ? c.getString(titleIndex) : null; if (!TextUtils.isEmpty(title)) { info.title = Utilities.trim(title); } } else if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { if (TextUtils.isEmpty(info.title)) { info.title = (c != null) ? Utilities.trim(c.getString(titleIndex)) : ""; } } else { throw new InvalidParameterException("Invalid restoreType " + promiseType); } info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); info.itemType = itemType; info.promisedIntent = intent; info.status = promiseType; return info; } /** * Make an Intent object for a restored application or shortcut item that points * to the market page for the item. */ @Thunk Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) { ComponentName componentName = intent.getComponent(); return getMarketIntent(componentName.getPackageName()); } static Intent getMarketIntent(String packageName) { return new Intent(Intent.ACTION_VIEW) .setData(new Uri.Builder() .scheme("market") .authority("details") .appendQueryParameter("id", packageName) .build()); } /** * Make an ShortcutInfo object for a shortcut that is an application. * * If c is not null, then it will be used to fill in missing data like the title and icon. */ public ShortcutInfo getAppShortcutInfo(PackageManager manager, Intent intent, UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex, boolean allowMissingTarget, boolean useLowResIcon) { if (user == null) { Log.d(TAG, "Null user found in getShortcutInfo"); return null; } ComponentName componentName = intent.getComponent(); if (componentName == null) { Log.d(TAG, "Missing component found in getShortcutInfo: " + componentName); return null; } Intent newIntent = new Intent(intent.getAction(), null); newIntent.addCategory(Intent.CATEGORY_LAUNCHER); newIntent.setComponent(componentName); LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user); if ((lai == null) && !allowMissingTarget) { Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName); return null; } final ShortcutInfo info = new ShortcutInfo(); mIconCache.getTitleAndIcon(info, componentName, lai, user, false, useLowResIcon); if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) { Bitmap icon = Utilities.createIconBitmap(c, iconIndex, context); info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon); } // from the db if (TextUtils.isEmpty(info.title) && c != null) { info.title = Utilities.trim(c.getString(titleIndex)); } // fall back to the class name of the activity if (info.title == null) { info.title = componentName.getClassName(); } info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; info.user = user; info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); if (lai != null) { info.flags = AppInfo.initFlags(lai); } return info; } static ArrayList filterItemInfos(Iterable infos, ItemInfoFilter f) { HashSet filtered = new HashSet(); for (ItemInfo i : infos) { if (i instanceof ShortcutInfo) { ShortcutInfo info = (ShortcutInfo) i; ComponentName cn = info.getTargetComponent(); if (cn != null && f.filterItem(null, info, cn)) { filtered.add(info); } } else if (i instanceof FolderInfo) { FolderInfo info = (FolderInfo) i; for (ShortcutInfo s : info.contents) { ComponentName cn = s.getTargetComponent(); if (cn != null && f.filterItem(info, s, cn)) { filtered.add(s); } } } else if (i instanceof LauncherAppWidgetInfo) { LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; ComponentName cn = info.providerName; if (cn != null && f.filterItem(null, info, cn)) { filtered.add(info); } } } return new ArrayList(filtered); } @Thunk ArrayList getItemInfoForComponentName(final ComponentName cname, final UserHandleCompat user) { ItemInfoFilter filter = new ItemInfoFilter() { @Override public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { if (info.user == null) { return cn.equals(cname); } else { return cn.equals(cname) && info.user.equals(user); } } }; return filterItemInfos(sBgItemsIdMap, filter); } /** * Make an ShortcutInfo object for a shortcut that isn't an application. */ @Thunk ShortcutInfo getShortcutInfo(Cursor c, Context context, int titleIndex, CursorIconInfo iconInfo) { final ShortcutInfo info = new ShortcutInfo(); // Non-app shortcuts are only supported for current user. info.user = UserHandleCompat.myUserHandle(); info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; // TODO: If there's an explicit component and we can't install that, delete it. info.title = Utilities.trim(c.getString(titleIndex)); Bitmap icon = iconInfo.loadIcon(c, info, context); // the fallback icon if (icon == null) { icon = mIconCache.getDefaultIcon(info.user); info.usingFallbackIcon = true; } info.setIcon(icon); return info; } ShortcutInfo infoFromShortcutIntent(Context context, Intent data) { Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); if (intent == null) { // If the intent is null, we can't construct a valid ShortcutInfo, so we return null Log.e(TAG, "Can't construct ShorcutInfo with null intent"); return null; } Bitmap icon = null; boolean customIcon = false; ShortcutIconResource iconResource = null; if (bitmap instanceof Bitmap) { icon = Utilities.createIconBitmap((Bitmap) bitmap, context); customIcon = true; } else { Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); if (extra instanceof ShortcutIconResource) { iconResource = (ShortcutIconResource) extra; icon = Utilities.createIconBitmap(iconResource.packageName, iconResource.resourceName, context); } } final ShortcutInfo info = new ShortcutInfo(); // Only support intents for current user for now. Intents sent from other // users wouldn't get here without intent forwarding anyway. info.user = UserHandleCompat.myUserHandle(); if (icon == null) { icon = mIconCache.getDefaultIcon(info.user); info.usingFallbackIcon = true; } info.setIcon(icon); info.title = Utilities.trim(name); info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); info.intent = intent; info.customIcon = customIcon; info.iconResource = iconResource; return info; } /** * Return an existing FolderInfo object if we have encountered this ID previously, * or make a new one. */ @Thunk static FolderInfo findOrMakeFolder(LongArrayMap folders, long id) { // See if a placeholder was created for us already FolderInfo folderInfo = folders.get(id); if (folderInfo == null) { // No placeholder -- create a new instance folderInfo = new FolderInfo(); folders.put(id, folderInfo); } return folderInfo; } static boolean isValidProvider(AppWidgetProviderInfo provider) { return (provider != null) && (provider.provider != null) && (provider.provider.getPackageName() != null); } public void dumpState() { Log.d(TAG, "mCallbacks=" + mCallbacks); AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); if (mLoaderTask != null) { mLoaderTask.dumpState(); } else { Log.d(TAG, "mLoaderTask=null"); } } public Callbacks getCallback() { return mCallbacks != null ? mCallbacks.get() : null; } /** * @return {@link FolderInfo} if its already loaded. */ public FolderInfo findFolderById(Long folderId) { synchronized (sBgLock) { return sBgFolders.get(folderId); } } /** * @return the looper for the worker thread which can be used to start background tasks. */ public static Looper getWorkerLooper() { return sWorkerThread.getLooper(); } }