| /* |
| * 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.annotation.TargetApi; |
| import android.appwidget.AppWidgetHost; |
| import android.appwidget.AppWidgetManager; |
| import android.content.ComponentName; |
| import android.content.ContentProvider; |
| import android.content.ContentProviderOperation; |
| import android.content.ContentProviderResult; |
| import android.content.ContentResolver; |
| import android.content.ContentUris; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.OperationApplicationException; |
| import android.content.SharedPreferences; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.res.Resources; |
| import android.database.Cursor; |
| import android.database.SQLException; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteOpenHelper; |
| import android.database.sqlite.SQLiteQueryBuilder; |
| import android.database.sqlite.SQLiteStatement; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.Process; |
| import android.os.UserManager; |
| import android.provider.BaseColumns; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.SparseArray; |
| |
| import com.android.launcher3.AutoInstallsLayout.LayoutParserCallback; |
| import com.android.launcher3.LauncherSettings.Favorites; |
| import com.android.launcher3.LauncherSettings.WorkspaceScreens; |
| import com.android.launcher3.compat.UserHandleCompat; |
| import com.android.launcher3.compat.UserManagerCompat; |
| import com.android.launcher3.config.ProviderConfig; |
| import com.android.launcher3.dynamicui.ExtractionUtils; |
| import com.android.launcher3.util.ManagedProfileHeuristic; |
| import com.android.launcher3.util.NoLocaleSqliteContext; |
| import com.android.launcher3.util.Preconditions; |
| import com.android.launcher3.util.Thunk; |
| |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashSet; |
| |
| public class LauncherProvider extends ContentProvider { |
| private static final String TAG = "LauncherProvider"; |
| private static final boolean LOGD = false; |
| |
| private static final int DATABASE_VERSION = 26; |
| |
| public static final String AUTHORITY = ProviderConfig.AUTHORITY; |
| |
| static final String EMPTY_DATABASE_CREATED = "EMPTY_DATABASE_CREATED"; |
| |
| private static final String RESTRICTION_PACKAGE_NAME = "workspace.configuration.package.name"; |
| |
| private final ChangeListenerWrapper mListenerWrapper = new ChangeListenerWrapper(); |
| private Handler mListenerHandler; |
| |
| protected DatabaseHelper mOpenHelper; |
| |
| @Override |
| public boolean onCreate() { |
| mListenerHandler = new Handler(mListenerWrapper); |
| |
| LauncherAppState.setLauncherProvider(this); |
| return true; |
| } |
| |
| /** |
| * Sets a provider listener. |
| */ |
| public void setLauncherProviderChangeListener(LauncherProviderChangeListener listener) { |
| Preconditions.assertUIThread(); |
| mListenerWrapper.mListener = listener; |
| } |
| |
| @Override |
| public String getType(Uri uri) { |
| SqlArguments args = new SqlArguments(uri, null, null); |
| if (TextUtils.isEmpty(args.where)) { |
| return "vnd.android.cursor.dir/" + args.table; |
| } else { |
| return "vnd.android.cursor.item/" + args.table; |
| } |
| } |
| |
| /** |
| * Overridden in tests |
| */ |
| protected synchronized void createDbIfNotExists() { |
| if (mOpenHelper == null) { |
| mOpenHelper = new DatabaseHelper(getContext(), mListenerHandler); |
| } |
| } |
| |
| @Override |
| public Cursor query(Uri uri, String[] projection, String selection, |
| String[] selectionArgs, String sortOrder) { |
| createDbIfNotExists(); |
| |
| SqlArguments args = new SqlArguments(uri, selection, selectionArgs); |
| SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); |
| qb.setTables(args.table); |
| |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| Cursor result = qb.query(db, projection, args.where, args.args, null, null, sortOrder); |
| result.setNotificationUri(getContext().getContentResolver(), uri); |
| |
| return result; |
| } |
| |
| @Thunk static long dbInsertAndCheck(DatabaseHelper helper, |
| SQLiteDatabase db, String table, String nullColumnHack, ContentValues values) { |
| if (values == null) { |
| throw new RuntimeException("Error: attempting to insert null values"); |
| } |
| if (!values.containsKey(LauncherSettings.ChangeLogColumns._ID)) { |
| throw new RuntimeException("Error: attempting to add item without specifying an id"); |
| } |
| helper.checkId(table, values); |
| return db.insert(table, nullColumnHack, values); |
| } |
| |
| private void reloadLauncherIfExternal() { |
| if (Utilities.ATLEAST_MARSHMALLOW && Binder.getCallingPid() != Process.myPid()) { |
| LauncherAppState app = LauncherAppState.getInstanceNoCreate(); |
| if (app != null) { |
| app.reloadWorkspace(); |
| } |
| } |
| } |
| |
| @Override |
| public Uri insert(Uri uri, ContentValues initialValues) { |
| createDbIfNotExists(); |
| SqlArguments args = new SqlArguments(uri); |
| |
| // In very limited cases, we support system|signature permission apps to modify the db. |
| if (Binder.getCallingPid() != Process.myPid()) { |
| if (!initializeExternalAdd(initialValues)) { |
| return null; |
| } |
| } |
| |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| addModifiedTime(initialValues); |
| final long rowId = dbInsertAndCheck(mOpenHelper, db, args.table, null, initialValues); |
| if (rowId < 0) return null; |
| |
| uri = ContentUris.withAppendedId(uri, rowId); |
| notifyListeners(); |
| |
| if (Utilities.ATLEAST_MARSHMALLOW) { |
| reloadLauncherIfExternal(); |
| } else { |
| // Deprecated behavior to support legacy devices which rely on provider callbacks. |
| LauncherAppState app = LauncherAppState.getInstanceNoCreate(); |
| if (app != null && "true".equals(uri.getQueryParameter("isExternalAdd"))) { |
| app.reloadWorkspace(); |
| } |
| |
| String notify = uri.getQueryParameter("notify"); |
| if (notify == null || "true".equals(notify)) { |
| getContext().getContentResolver().notifyChange(uri, null); |
| } |
| } |
| return uri; |
| } |
| |
| private boolean initializeExternalAdd(ContentValues values) { |
| // 1. Ensure that externally added items have a valid item id |
| long id = mOpenHelper.generateNewItemId(); |
| values.put(LauncherSettings.Favorites._ID, id); |
| |
| // 2. In the case of an app widget, and if no app widget id is specified, we |
| // attempt allocate and bind the widget. |
| Integer itemType = values.getAsInteger(LauncherSettings.Favorites.ITEM_TYPE); |
| if (itemType != null && |
| itemType.intValue() == LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET && |
| !values.containsKey(LauncherSettings.Favorites.APPWIDGET_ID)) { |
| |
| final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(getContext()); |
| ComponentName cn = ComponentName.unflattenFromString( |
| values.getAsString(Favorites.APPWIDGET_PROVIDER)); |
| |
| if (cn != null) { |
| try { |
| int appWidgetId = new AppWidgetHost(getContext(), Launcher.APPWIDGET_HOST_ID) |
| .allocateAppWidgetId(); |
| values.put(LauncherSettings.Favorites.APPWIDGET_ID, appWidgetId); |
| if (!appWidgetManager.bindAppWidgetIdIfAllowed(appWidgetId,cn)) { |
| return false; |
| } |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Failed to initialize external widget", e); |
| return false; |
| } |
| } else { |
| return false; |
| } |
| } |
| |
| // Add screen id if not present |
| long screenId = values.getAsLong(LauncherSettings.Favorites.SCREEN); |
| SQLiteStatement stmp = null; |
| try { |
| stmp = mOpenHelper.getWritableDatabase().compileStatement( |
| "INSERT OR IGNORE INTO workspaceScreens (_id, screenRank) " + |
| "select ?, (ifnull(MAX(screenRank), -1)+1) from workspaceScreens"); |
| stmp.bindLong(1, screenId); |
| |
| ContentValues valuesInserted = new ContentValues(); |
| valuesInserted.put(LauncherSettings.BaseLauncherColumns._ID, stmp.executeInsert()); |
| mOpenHelper.checkId(WorkspaceScreens.TABLE_NAME, valuesInserted); |
| return true; |
| } catch (Exception e) { |
| return false; |
| } finally { |
| Utilities.closeSilently(stmp); |
| } |
| } |
| |
| @Override |
| public int bulkInsert(Uri uri, ContentValues[] values) { |
| createDbIfNotExists(); |
| SqlArguments args = new SqlArguments(uri); |
| |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| db.beginTransaction(); |
| try { |
| int numValues = values.length; |
| for (int i = 0; i < numValues; i++) { |
| addModifiedTime(values[i]); |
| if (dbInsertAndCheck(mOpenHelper, db, args.table, null, values[i]) < 0) { |
| return 0; |
| } |
| } |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| |
| notifyListeners(); |
| reloadLauncherIfExternal(); |
| return values.length; |
| } |
| |
| @Override |
| public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) |
| throws OperationApplicationException { |
| createDbIfNotExists(); |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| db.beginTransaction(); |
| try { |
| ContentProviderResult[] result = super.applyBatch(operations); |
| db.setTransactionSuccessful(); |
| reloadLauncherIfExternal(); |
| return result; |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| @Override |
| public int delete(Uri uri, String selection, String[] selectionArgs) { |
| createDbIfNotExists(); |
| SqlArguments args = new SqlArguments(uri, selection, selectionArgs); |
| |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| int count = db.delete(args.table, args.where, args.args); |
| if (count > 0) notifyListeners(); |
| |
| reloadLauncherIfExternal(); |
| return count; |
| } |
| |
| @Override |
| public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { |
| createDbIfNotExists(); |
| SqlArguments args = new SqlArguments(uri, selection, selectionArgs); |
| |
| addModifiedTime(values); |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| int count = db.update(args.table, values, args.where, args.args); |
| if (count > 0) notifyListeners(); |
| |
| reloadLauncherIfExternal(); |
| return count; |
| } |
| |
| @Override |
| public Bundle call(String method, final String arg, final Bundle extras) { |
| if (Binder.getCallingUid() != Process.myUid()) { |
| return null; |
| } |
| createDbIfNotExists(); |
| |
| switch (method) { |
| case LauncherSettings.Settings.METHOD_GET_BOOLEAN: { |
| Bundle result = new Bundle(); |
| if (Utilities.ALLOW_ROTATION_PREFERENCE_KEY.equals(arg)) { |
| result.putBoolean(LauncherSettings.Settings.EXTRA_VALUE, |
| Utilities.isAllowRotationPrefEnabled(getContext())); |
| } else { |
| result.putBoolean(LauncherSettings.Settings.EXTRA_VALUE, |
| Utilities.getPrefs(getContext()).getBoolean(arg, extras.getBoolean( |
| LauncherSettings.Settings.EXTRA_DEFAULT_VALUE))); |
| } |
| return result; |
| } |
| case LauncherSettings.Settings.METHOD_SET_BOOLEAN: { |
| final boolean value = extras.getBoolean(LauncherSettings.Settings.EXTRA_VALUE); |
| Utilities.getPrefs(getContext()).edit().putBoolean(arg, value).apply(); |
| if (extras.getBoolean(LauncherSettings.Settings.NOTIFY_BACKUP)) { |
| LauncherBackupAgentHelper.dataChanged(getContext()); |
| } |
| Bundle result = new Bundle(); |
| result.putBoolean(LauncherSettings.Settings.EXTRA_VALUE, value); |
| return result; |
| } |
| case LauncherSettings.Settings.METHOD_SET_EXTRACTED_COLORS_AND_WALLPAPER_ID: { |
| String extractedColors = extras.getString( |
| LauncherSettings.Settings.EXTRA_EXTRACTED_COLORS); |
| int wallpaperId = extras.getInt(LauncherSettings.Settings.EXTRA_WALLPAPER_ID); |
| Utilities.getPrefs(getContext()).edit() |
| .putString(ExtractionUtils.EXTRACTED_COLORS_PREFERENCE_KEY, extractedColors) |
| .putInt(ExtractionUtils.WALLPAPER_ID_PREFERENCE_KEY, wallpaperId) |
| .apply(); |
| mListenerHandler.sendEmptyMessage(ChangeListenerWrapper.MSG_EXTRACTED_COLORS_CHANGED); |
| Bundle result = new Bundle(); |
| result.putString(LauncherSettings.Settings.EXTRA_VALUE, extractedColors); |
| return result; |
| } |
| case LauncherSettings.Settings.METHOD_CLEAR_EMPTY_DB_FLAG: { |
| clearFlagEmptyDbCreated(); |
| return null; |
| } |
| case LauncherSettings.Settings.METHOD_DELETE_EMPTY_FOLDERS: { |
| Bundle result = new Bundle(); |
| result.putSerializable(LauncherSettings.Settings.EXTRA_VALUE, deleteEmptyFolders()); |
| return result; |
| } |
| case LauncherSettings.Settings.METHOD_NEW_ITEM_ID: { |
| Bundle result = new Bundle(); |
| result.putLong(LauncherSettings.Settings.EXTRA_VALUE, mOpenHelper.generateNewItemId()); |
| return result; |
| } |
| case LauncherSettings.Settings.METHOD_NEW_SCREEN_ID: { |
| Bundle result = new Bundle(); |
| result.putLong(LauncherSettings.Settings.EXTRA_VALUE, mOpenHelper.generateNewScreenId()); |
| return result; |
| } |
| case LauncherSettings.Settings.METHOD_CREATE_EMPTY_DB: { |
| createEmptyDB(); |
| return null; |
| } |
| case LauncherSettings.Settings.METHOD_LOAD_DEFAULT_FAVORITES: { |
| loadDefaultFavoritesIfNecessary(); |
| return null; |
| } |
| case LauncherSettings.Settings.METHOD_MIGRATE_LAUNCHER2_SHORTCUTS: { |
| mOpenHelper.migrateLauncher2Shortcuts(mOpenHelper.getWritableDatabase(), |
| Uri.parse(getContext().getString(R.string.old_launcher_provider_uri))); |
| Utilities.getPrefs(getContext()).edit().putBoolean(EMPTY_DATABASE_CREATED, false) |
| .commit(); |
| return null; |
| } |
| case LauncherSettings.Settings.METHOD_UPDATE_FOLDER_ITEMS_RANK: { |
| mOpenHelper.updateFolderItemsRank(mOpenHelper.getWritableDatabase(), false); |
| return null; |
| } |
| case LauncherSettings.Settings.METHOD_CONVERT_SHORTCUTS_TO_ACTIVITIES: { |
| mOpenHelper.convertShortcutsToLauncherActivities(mOpenHelper.getWritableDatabase()); |
| return null; |
| } |
| case LauncherSettings.Settings.METHOD_DELETE_DB: { |
| // Are you sure? (y/n) |
| mOpenHelper.createEmptyDB(mOpenHelper.getWritableDatabase()); |
| return null; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Deletes any empty folder from the DB. |
| * @return Ids of deleted folders. |
| */ |
| private ArrayList<Long> deleteEmptyFolders() { |
| ArrayList<Long> folderIds = new ArrayList<>(); |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| db.beginTransaction(); |
| try { |
| // Select folders whose id do not match any container value. |
| String selection = LauncherSettings.Favorites.ITEM_TYPE + " = " |
| + LauncherSettings.Favorites.ITEM_TYPE_FOLDER + " AND " |
| + LauncherSettings.Favorites._ID + " NOT IN (SELECT " + |
| LauncherSettings.Favorites.CONTAINER + " FROM " |
| + Favorites.TABLE_NAME + ")"; |
| Cursor c = db.query(Favorites.TABLE_NAME, |
| new String[] {LauncherSettings.Favorites._ID}, |
| selection, null, null, null, null); |
| while (c.moveToNext()) { |
| folderIds.add(c.getLong(0)); |
| } |
| c.close(); |
| if (!folderIds.isEmpty()) { |
| db.delete(Favorites.TABLE_NAME, Utilities.createDbSelectionQuery( |
| LauncherSettings.Favorites._ID, folderIds), null); |
| } |
| db.setTransactionSuccessful(); |
| } catch (SQLException ex) { |
| Log.e(TAG, ex.getMessage(), ex); |
| folderIds.clear(); |
| } finally { |
| db.endTransaction(); |
| } |
| return folderIds; |
| } |
| |
| /** |
| * Overridden in tests |
| */ |
| protected void notifyListeners() { |
| // always notify the backup agent |
| LauncherBackupAgentHelper.dataChanged(getContext()); |
| mListenerHandler.sendEmptyMessage(ChangeListenerWrapper.MSG_LAUNCHER_PROVIDER_CHANGED); |
| } |
| |
| @Thunk static void addModifiedTime(ContentValues values) { |
| values.put(LauncherSettings.ChangeLogColumns.MODIFIED, System.currentTimeMillis()); |
| } |
| |
| /** |
| * Clears all the data for a fresh start. |
| */ |
| synchronized private void createEmptyDB() { |
| mOpenHelper.createEmptyDB(mOpenHelper.getWritableDatabase()); |
| } |
| |
| private void clearFlagEmptyDbCreated() { |
| Utilities.getPrefs(getContext()).edit().remove(EMPTY_DATABASE_CREATED).commit(); |
| } |
| |
| /** |
| * Loads the default workspace based on the following priority scheme: |
| * 1) From the app restrictions |
| * 2) From a package provided by play store |
| * 3) From a partner configuration APK, already in the system image |
| * 4) The default configuration for the particular device |
| */ |
| synchronized private void loadDefaultFavoritesIfNecessary() { |
| SharedPreferences sp = Utilities.getPrefs(getContext()); |
| |
| if (sp.getBoolean(EMPTY_DATABASE_CREATED, false)) { |
| Log.d(TAG, "loading default workspace"); |
| |
| AppWidgetHost widgetHost = new AppWidgetHost(getContext(), Launcher.APPWIDGET_HOST_ID); |
| AutoInstallsLayout loader = createWorkspaceLoaderFromAppRestriction(widgetHost); |
| if (loader == null) { |
| loader = AutoInstallsLayout.get(getContext(),widgetHost, mOpenHelper); |
| } |
| if (loader == null) { |
| final Partner partner = Partner.get(getContext().getPackageManager()); |
| if (partner != null && partner.hasDefaultLayout()) { |
| final Resources partnerRes = partner.getResources(); |
| int workspaceResId = partnerRes.getIdentifier(Partner.RES_DEFAULT_LAYOUT, |
| "xml", partner.getPackageName()); |
| if (workspaceResId != 0) { |
| loader = new DefaultLayoutParser(getContext(), widgetHost, |
| mOpenHelper, partnerRes, workspaceResId); |
| } |
| } |
| } |
| |
| final boolean usingExternallyProvidedLayout = loader != null; |
| if (loader == null) { |
| loader = getDefaultLayoutParser(widgetHost); |
| } |
| |
| // There might be some partially restored DB items, due to buggy restore logic in |
| // previous versions of launcher. |
| createEmptyDB(); |
| // Populate favorites table with initial favorites |
| if ((mOpenHelper.loadFavorites(mOpenHelper.getWritableDatabase(), loader) <= 0) |
| && usingExternallyProvidedLayout) { |
| // Unable to load external layout. Cleanup and load the internal layout. |
| createEmptyDB(); |
| mOpenHelper.loadFavorites(mOpenHelper.getWritableDatabase(), |
| getDefaultLayoutParser(widgetHost)); |
| } |
| clearFlagEmptyDbCreated(); |
| } |
| } |
| |
| /** |
| * Creates workspace loader from an XML resource listed in the app restrictions. |
| * |
| * @return the loader if the restrictions are set and the resource exists; null otherwise. |
| */ |
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2) |
| private AutoInstallsLayout createWorkspaceLoaderFromAppRestriction(AppWidgetHost widgetHost) { |
| // UserManager.getApplicationRestrictions() requires minSdkVersion >= 18 |
| if (!Utilities.ATLEAST_JB_MR2) { |
| return null; |
| } |
| |
| Context ctx = getContext(); |
| UserManager um = (UserManager) ctx.getSystemService(Context.USER_SERVICE); |
| Bundle bundle = um.getApplicationRestrictions(ctx.getPackageName()); |
| if (bundle == null) { |
| return null; |
| } |
| |
| String packageName = bundle.getString(RESTRICTION_PACKAGE_NAME); |
| if (packageName != null) { |
| try { |
| Resources targetResources = ctx.getPackageManager() |
| .getResourcesForApplication(packageName); |
| return AutoInstallsLayout.get(ctx, packageName, targetResources, |
| widgetHost, mOpenHelper); |
| } catch (NameNotFoundException e) { |
| Log.e(TAG, "Target package for restricted profile not found", e); |
| return null; |
| } |
| } |
| return null; |
| } |
| |
| private DefaultLayoutParser getDefaultLayoutParser(AppWidgetHost widgetHost) { |
| int defaultLayout = LauncherAppState.getInstance() |
| .getInvariantDeviceProfile().defaultLayoutId; |
| return new DefaultLayoutParser(getContext(), widgetHost, |
| mOpenHelper, getContext().getResources(), defaultLayout); |
| } |
| |
| /** |
| * The class is subclassed in tests to create an in-memory db. |
| */ |
| public static class DatabaseHelper extends SQLiteOpenHelper implements LayoutParserCallback { |
| private final Handler mWidgetHostResetHandler; |
| private final Context mContext; |
| private long mMaxItemId = -1; |
| private long mMaxScreenId = -1; |
| |
| DatabaseHelper(Context context, Handler widgetHostResetHandler) { |
| this(context, widgetHostResetHandler, LauncherFiles.LAUNCHER_DB); |
| // Table creation sometimes fails silently, which leads to a crash loop. |
| // This way, we will try to create a table every time after crash, so the device |
| // would eventually be able to recover. |
| if (!tableExists(Favorites.TABLE_NAME) || !tableExists(WorkspaceScreens.TABLE_NAME)) { |
| Log.e(TAG, "Tables are missing after onCreate has been called. Trying to recreate"); |
| // This operation is a no-op if the table already exists. |
| addFavoritesTable(getWritableDatabase(), true); |
| addWorkspacesTable(getWritableDatabase(), true); |
| } |
| |
| initIds(); |
| } |
| |
| /** |
| * Constructor used in tests and for restore. |
| */ |
| public DatabaseHelper( |
| Context context, Handler widgetHostResetHandler, String tableName) { |
| super(new NoLocaleSqliteContext(context), tableName, null, DATABASE_VERSION); |
| mContext = context; |
| mWidgetHostResetHandler = widgetHostResetHandler; |
| } |
| |
| protected void initIds() { |
| // In the case where neither onCreate nor onUpgrade gets called, we read the maxId from |
| // the DB here |
| if (mMaxItemId == -1) { |
| mMaxItemId = initializeMaxItemId(getWritableDatabase()); |
| } |
| if (mMaxScreenId == -1) { |
| mMaxScreenId = initializeMaxScreenId(getWritableDatabase()); |
| } |
| } |
| |
| private boolean tableExists(String tableName) { |
| Cursor c = getReadableDatabase().query( |
| true, "sqlite_master", new String[] {"tbl_name"}, |
| "tbl_name = ?", new String[] {tableName}, |
| null, null, null, null, null); |
| try { |
| return c.getCount() > 0; |
| } finally { |
| c.close(); |
| } |
| } |
| |
| @Override |
| public void onCreate(SQLiteDatabase db) { |
| if (LOGD) Log.d(TAG, "creating new launcher database"); |
| |
| mMaxItemId = 1; |
| mMaxScreenId = 0; |
| |
| addFavoritesTable(db, false); |
| addWorkspacesTable(db, false); |
| |
| // Fresh and clean launcher DB. |
| mMaxItemId = initializeMaxItemId(db); |
| onEmptyDbCreated(); |
| } |
| |
| /** |
| * Overriden in tests. |
| */ |
| protected void onEmptyDbCreated() { |
| // Database was just created, so wipe any previous widgets |
| if (mWidgetHostResetHandler != null) { |
| new AppWidgetHost(mContext, Launcher.APPWIDGET_HOST_ID).deleteHost(); |
| mWidgetHostResetHandler.sendEmptyMessage( |
| ChangeListenerWrapper.MSG_APP_WIDGET_HOST_RESET); |
| } |
| |
| // Set the flag for empty DB |
| Utilities.getPrefs(mContext).edit().putBoolean(EMPTY_DATABASE_CREATED, true).commit(); |
| |
| // When a new DB is created, remove all previously stored managed profile information. |
| ManagedProfileHeuristic.processAllUsers(Collections.<UserHandleCompat>emptyList(), |
| mContext); |
| } |
| |
| protected long getDefaultUserSerial() { |
| return UserManagerCompat.getInstance(mContext).getSerialNumberForUser( |
| UserHandleCompat.myUserHandle()); |
| } |
| |
| private void addFavoritesTable(SQLiteDatabase db, boolean optional) { |
| Favorites.addTableToDb(db, getDefaultUserSerial(), optional); |
| } |
| |
| private void addWorkspacesTable(SQLiteDatabase db, boolean optional) { |
| String ifNotExists = optional ? " IF NOT EXISTS " : ""; |
| db.execSQL("CREATE TABLE " + ifNotExists + WorkspaceScreens.TABLE_NAME + " (" + |
| LauncherSettings.WorkspaceScreens._ID + " INTEGER PRIMARY KEY," + |
| LauncherSettings.WorkspaceScreens.SCREEN_RANK + " INTEGER," + |
| LauncherSettings.ChangeLogColumns.MODIFIED + " INTEGER NOT NULL DEFAULT 0" + |
| ");"); |
| } |
| |
| private void removeOrphanedItems(SQLiteDatabase db) { |
| // Delete items directly on the workspace who's screen id doesn't exist |
| // "DELETE FROM favorites WHERE screen NOT IN (SELECT _id FROM workspaceScreens) |
| // AND container = -100" |
| String removeOrphanedDesktopItems = "DELETE FROM " + Favorites.TABLE_NAME + |
| " WHERE " + |
| LauncherSettings.Favorites.SCREEN + " NOT IN (SELECT " + |
| LauncherSettings.WorkspaceScreens._ID + " FROM " + WorkspaceScreens.TABLE_NAME + ")" + |
| " AND " + |
| LauncherSettings.Favorites.CONTAINER + " = " + |
| LauncherSettings.Favorites.CONTAINER_DESKTOP; |
| db.execSQL(removeOrphanedDesktopItems); |
| |
| // Delete items contained in folders which no longer exist (after above statement) |
| // "DELETE FROM favorites WHERE container <> -100 AND container <> -101 AND container |
| // NOT IN (SELECT _id FROM favorites WHERE itemType = 2)" |
| String removeOrphanedFolderItems = "DELETE FROM " + Favorites.TABLE_NAME + |
| " WHERE " + |
| LauncherSettings.Favorites.CONTAINER + " <> " + |
| LauncherSettings.Favorites.CONTAINER_DESKTOP + |
| " AND " |
| + LauncherSettings.Favorites.CONTAINER + " <> " + |
| LauncherSettings.Favorites.CONTAINER_HOTSEAT + |
| " AND " |
| + LauncherSettings.Favorites.CONTAINER + " NOT IN (SELECT " + |
| LauncherSettings.Favorites._ID + " FROM " + Favorites.TABLE_NAME + |
| " WHERE " + LauncherSettings.Favorites.ITEM_TYPE + " = " + |
| LauncherSettings.Favorites.ITEM_TYPE_FOLDER + ")"; |
| db.execSQL(removeOrphanedFolderItems); |
| } |
| |
| @Override |
| public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { |
| if (LOGD) Log.d(TAG, "onUpgrade triggered: " + oldVersion); |
| switch (oldVersion) { |
| // The version cannot be lower that 12, as Launcher3 never supported a lower |
| // version of the DB. |
| case 12: { |
| // With the new shrink-wrapped and re-orderable workspaces, it makes sense |
| // to persist workspace screens and their relative order. |
| mMaxScreenId = 0; |
| addWorkspacesTable(db, false); |
| } |
| case 13: { |
| db.beginTransaction(); |
| try { |
| // Insert new column for holding widget provider name |
| db.execSQL("ALTER TABLE favorites " + |
| "ADD COLUMN appWidgetProvider TEXT;"); |
| db.setTransactionSuccessful(); |
| } catch (SQLException ex) { |
| Log.e(TAG, ex.getMessage(), ex); |
| // Old version remains, which means we wipe old data |
| break; |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| case 14: { |
| db.beginTransaction(); |
| try { |
| // Insert new column for holding update timestamp |
| db.execSQL("ALTER TABLE favorites " + |
| "ADD COLUMN modified INTEGER NOT NULL DEFAULT 0;"); |
| db.execSQL("ALTER TABLE workspaceScreens " + |
| "ADD COLUMN modified INTEGER NOT NULL DEFAULT 0;"); |
| db.setTransactionSuccessful(); |
| } catch (SQLException ex) { |
| Log.e(TAG, ex.getMessage(), ex); |
| // Old version remains, which means we wipe old data |
| break; |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| case 15: { |
| if (!addIntegerColumn(db, Favorites.RESTORED, 0)) { |
| // Old version remains, which means we wipe old data |
| break; |
| } |
| } |
| case 16: { |
| // We use the db version upgrade here to identify users who may not have seen |
| // clings yet (because they weren't available), but for whom the clings are now |
| // available (tablet users). Because one of the possible cling flows (migration) |
| // is very destructive (wipes out workspaces), we want to prevent this from showing |
| // until clear data. We do so by marking that the clings have been shown. |
| LauncherClings.markFirstRunClingDismissed(mContext); |
| } |
| case 17: { |
| // No-op |
| } |
| case 18: { |
| // Due to a data loss bug, some users may have items associated with screen ids |
| // which no longer exist. Since this can cause other problems, and since the user |
| // will never see these items anyway, we use database upgrade as an opportunity to |
| // clean things up. |
| removeOrphanedItems(db); |
| } |
| case 19: { |
| // Add userId column |
| if (!addProfileColumn(db)) { |
| // Old version remains, which means we wipe old data |
| break; |
| } |
| } |
| case 20: |
| if (!updateFolderItemsRank(db, true)) { |
| break; |
| } |
| case 21: |
| // Recreate workspace table with screen id a primary key |
| if (!recreateWorkspaceTable(db)) { |
| break; |
| } |
| case 22: { |
| if (!addIntegerColumn(db, Favorites.OPTIONS, 0)) { |
| // Old version remains, which means we wipe old data |
| break; |
| } |
| } |
| case 23: |
| // No-op |
| case 24: |
| ManagedProfileHeuristic.markExistingUsersForNoFolderCreation(mContext); |
| case 25: |
| convertShortcutsToLauncherActivities(db); |
| case 26: { |
| // DB Upgraded successfully |
| return; |
| } |
| } |
| |
| // DB was not upgraded |
| Log.w(TAG, "Destroying all old data."); |
| createEmptyDB(db); |
| } |
| |
| @Override |
| public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) { |
| // This shouldn't happen -- throw our hands up in the air and start over. |
| Log.w(TAG, "Database version downgrade from: " + oldVersion + " to " + newVersion + |
| ". Wiping databse."); |
| createEmptyDB(db); |
| } |
| |
| /** |
| * Clears all the data for a fresh start. |
| */ |
| public void createEmptyDB(SQLiteDatabase db) { |
| db.execSQL("DROP TABLE IF EXISTS " + Favorites.TABLE_NAME); |
| db.execSQL("DROP TABLE IF EXISTS " + WorkspaceScreens.TABLE_NAME); |
| onCreate(db); |
| } |
| |
| /** |
| * Replaces all shortcuts of type {@link Favorites#ITEM_TYPE_SHORTCUT} which have a valid |
| * launcher activity target with {@link Favorites#ITEM_TYPE_APPLICATION}. |
| */ |
| @Thunk void convertShortcutsToLauncherActivities(SQLiteDatabase db) { |
| db.beginTransaction(); |
| Cursor c = null; |
| SQLiteStatement updateStmt = null; |
| |
| try { |
| // Only consider the primary user as other users can't have a shortcut. |
| long userSerial = getDefaultUserSerial(); |
| c = db.query(Favorites.TABLE_NAME, new String[] { |
| Favorites._ID, |
| Favorites.INTENT, |
| }, "itemType=" + Favorites.ITEM_TYPE_SHORTCUT + " AND profileId=" + userSerial, |
| null, null, null, null); |
| |
| updateStmt = db.compileStatement("UPDATE favorites SET itemType=" |
| + Favorites.ITEM_TYPE_APPLICATION + " WHERE _id=?"); |
| |
| final int idIndex = c.getColumnIndexOrThrow(Favorites._ID); |
| final int intentIndex = c.getColumnIndexOrThrow(Favorites.INTENT); |
| |
| while (c.moveToNext()) { |
| String intentDescription = c.getString(intentIndex); |
| Intent intent; |
| try { |
| intent = Intent.parseUri(intentDescription, 0); |
| } catch (URISyntaxException e) { |
| Log.e(TAG, "Unable to parse intent", e); |
| continue; |
| } |
| |
| if (!Utilities.isLauncherAppTarget(intent)) { |
| continue; |
| } |
| |
| long id = c.getLong(idIndex); |
| updateStmt.bindLong(1, id); |
| updateStmt.executeUpdateDelete(); |
| } |
| db.setTransactionSuccessful(); |
| } catch (SQLException ex) { |
| Log.w(TAG, "Error deduping shortcuts", ex); |
| } finally { |
| db.endTransaction(); |
| if (c != null) { |
| c.close(); |
| } |
| if (updateStmt != null) { |
| updateStmt.close(); |
| } |
| } |
| } |
| |
| /** |
| * Recreates workspace table and migrates data to the new table. |
| */ |
| public boolean recreateWorkspaceTable(SQLiteDatabase db) { |
| db.beginTransaction(); |
| try { |
| Cursor c = db.query(WorkspaceScreens.TABLE_NAME, |
| new String[] {LauncherSettings.WorkspaceScreens._ID}, |
| null, null, null, null, |
| LauncherSettings.WorkspaceScreens.SCREEN_RANK); |
| ArrayList<Long> sortedIDs = new ArrayList<Long>(); |
| long maxId = 0; |
| try { |
| while (c.moveToNext()) { |
| Long id = c.getLong(0); |
| if (!sortedIDs.contains(id)) { |
| sortedIDs.add(id); |
| maxId = Math.max(maxId, id); |
| } |
| } |
| } finally { |
| c.close(); |
| } |
| |
| db.execSQL("DROP TABLE IF EXISTS " + WorkspaceScreens.TABLE_NAME); |
| addWorkspacesTable(db, false); |
| |
| // Add all screen ids back |
| int total = sortedIDs.size(); |
| for (int i = 0; i < total; i++) { |
| ContentValues values = new ContentValues(); |
| values.put(LauncherSettings.WorkspaceScreens._ID, sortedIDs.get(i)); |
| values.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); |
| addModifiedTime(values); |
| db.insertOrThrow(WorkspaceScreens.TABLE_NAME, null, values); |
| } |
| db.setTransactionSuccessful(); |
| mMaxScreenId = maxId; |
| } catch (SQLException ex) { |
| // Old version remains, which means we wipe old data |
| Log.e(TAG, ex.getMessage(), ex); |
| return false; |
| } finally { |
| db.endTransaction(); |
| } |
| return true; |
| } |
| |
| @Thunk boolean updateFolderItemsRank(SQLiteDatabase db, boolean addRankColumn) { |
| db.beginTransaction(); |
| try { |
| if (addRankColumn) { |
| // Insert new column for holding rank |
| db.execSQL("ALTER TABLE favorites ADD COLUMN rank INTEGER NOT NULL DEFAULT 0;"); |
| } |
| |
| // Get a map for folder ID to folder width |
| Cursor c = db.rawQuery("SELECT container, MAX(cellX) FROM favorites" |
| + " WHERE container IN (SELECT _id FROM favorites WHERE itemType = ?)" |
| + " GROUP BY container;", |
| new String[] {Integer.toString(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}); |
| |
| while (c.moveToNext()) { |
| db.execSQL("UPDATE favorites SET rank=cellX+(cellY*?) WHERE " |
| + "container=? AND cellX IS NOT NULL AND cellY IS NOT NULL;", |
| new Object[] {c.getLong(1) + 1, c.getLong(0)}); |
| } |
| |
| c.close(); |
| db.setTransactionSuccessful(); |
| } catch (SQLException ex) { |
| // Old version remains, which means we wipe old data |
| Log.e(TAG, ex.getMessage(), ex); |
| return false; |
| } finally { |
| db.endTransaction(); |
| } |
| return true; |
| } |
| |
| private boolean addProfileColumn(SQLiteDatabase db) { |
| return addIntegerColumn(db, Favorites.PROFILE_ID, getDefaultUserSerial()); |
| } |
| |
| private boolean addIntegerColumn(SQLiteDatabase db, String columnName, long defaultValue) { |
| db.beginTransaction(); |
| try { |
| db.execSQL("ALTER TABLE favorites ADD COLUMN " |
| + columnName + " INTEGER NOT NULL DEFAULT " + defaultValue + ";"); |
| db.setTransactionSuccessful(); |
| } catch (SQLException ex) { |
| Log.e(TAG, ex.getMessage(), ex); |
| return false; |
| } finally { |
| db.endTransaction(); |
| } |
| return true; |
| } |
| |
| // Generates a new ID to use for an object in your database. This method should be only |
| // called from the main UI thread. As an exception, we do call it when we call the |
| // constructor from the worker thread; however, this doesn't extend until after the |
| // constructor is called, and we only pass a reference to LauncherProvider to LauncherApp |
| // after that point |
| @Override |
| public long generateNewItemId() { |
| if (mMaxItemId < 0) { |
| throw new RuntimeException("Error: max item id was not initialized"); |
| } |
| mMaxItemId += 1; |
| return mMaxItemId; |
| } |
| |
| @Override |
| public long insertAndCheck(SQLiteDatabase db, ContentValues values) { |
| return dbInsertAndCheck(this, db, Favorites.TABLE_NAME, null, values); |
| } |
| |
| public void checkId(String table, ContentValues values) { |
| long id = values.getAsLong(LauncherSettings.BaseLauncherColumns._ID); |
| if (table == WorkspaceScreens.TABLE_NAME) { |
| mMaxScreenId = Math.max(id, mMaxScreenId); |
| } else { |
| mMaxItemId = Math.max(id, mMaxItemId); |
| } |
| } |
| |
| private long initializeMaxItemId(SQLiteDatabase db) { |
| return getMaxId(db, Favorites.TABLE_NAME); |
| } |
| |
| // Generates a new ID to use for an workspace screen in your database. This method |
| // should be only called from the main UI thread. As an exception, we do call it when we |
| // call the constructor from the worker thread; however, this doesn't extend until after the |
| // constructor is called, and we only pass a reference to LauncherProvider to LauncherApp |
| // after that point |
| public long generateNewScreenId() { |
| if (mMaxScreenId < 0) { |
| throw new RuntimeException("Error: max screen id was not initialized"); |
| } |
| mMaxScreenId += 1; |
| return mMaxScreenId; |
| } |
| |
| private long initializeMaxScreenId(SQLiteDatabase db) { |
| return getMaxId(db, WorkspaceScreens.TABLE_NAME); |
| } |
| |
| @Thunk int loadFavorites(SQLiteDatabase db, AutoInstallsLayout loader) { |
| ArrayList<Long> screenIds = new ArrayList<Long>(); |
| // TODO: Use multiple loaders with fall-back and transaction. |
| int count = loader.loadLayout(db, screenIds); |
| |
| // Add the screens specified by the items above |
| Collections.sort(screenIds); |
| int rank = 0; |
| ContentValues values = new ContentValues(); |
| for (Long id : screenIds) { |
| values.clear(); |
| values.put(LauncherSettings.WorkspaceScreens._ID, id); |
| values.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, rank); |
| if (dbInsertAndCheck(this, db, WorkspaceScreens.TABLE_NAME, null, values) < 0) { |
| throw new RuntimeException("Failed initialize screen table" |
| + "from default layout"); |
| } |
| rank++; |
| } |
| |
| // Ensure that the max ids are initialized |
| mMaxItemId = initializeMaxItemId(db); |
| mMaxScreenId = initializeMaxScreenId(db); |
| |
| return count; |
| } |
| |
| @Thunk void migrateLauncher2Shortcuts(SQLiteDatabase db, Uri uri) { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| Cursor c = null; |
| int count = 0; |
| int curScreen = 0; |
| |
| try { |
| c = resolver.query(uri, null, null, null, "title ASC"); |
| } catch (Exception e) { |
| // Ignore |
| } |
| |
| // We already have a favorites database in the old provider |
| if (c != null) { |
| try { |
| if (c.getCount() > 0) { |
| 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 iconIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); |
| final int iconPackageIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_PACKAGE); |
| final int iconResourceIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_RESOURCE); |
| final int containerIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); |
| final int itemTypeIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); |
| 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 profileIndex |
| = c.getColumnIndex(LauncherSettings.Favorites.PROFILE_ID); |
| |
| int i = 0; |
| int curX = 0; |
| int curY = 0; |
| |
| final LauncherAppState app = LauncherAppState.getInstance(); |
| final InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); |
| final int width = (int) profile.numColumns; |
| final int height = (int) profile.numRows; |
| final int hotseatWidth = (int) profile.numHotseatIcons; |
| |
| final HashSet<String> seenIntents = new HashSet<String>(c.getCount()); |
| |
| final ArrayList<ContentValues> shortcuts = new ArrayList<ContentValues>(); |
| final ArrayList<ContentValues> folders = new ArrayList<ContentValues>(); |
| final SparseArray<ContentValues> hotseat = new SparseArray<ContentValues>(); |
| |
| while (c.moveToNext()) { |
| final int itemType = c.getInt(itemTypeIndex); |
| if (itemType != Favorites.ITEM_TYPE_APPLICATION |
| && itemType != Favorites.ITEM_TYPE_SHORTCUT |
| && itemType != Favorites.ITEM_TYPE_FOLDER) { |
| continue; |
| } |
| |
| final int cellX = c.getInt(cellXIndex); |
| final int cellY = c.getInt(cellYIndex); |
| final int screen = c.getInt(screenIndex); |
| int container = c.getInt(containerIndex); |
| final String intentStr = c.getString(intentIndex); |
| |
| UserManagerCompat userManager = UserManagerCompat.getInstance(mContext); |
| UserHandleCompat userHandle; |
| final long userSerialNumber; |
| if (profileIndex != -1 && !c.isNull(profileIndex)) { |
| userSerialNumber = c.getInt(profileIndex); |
| userHandle = userManager.getUserForSerialNumber(userSerialNumber); |
| } else { |
| // Default to the serial number of this user, for older |
| // shortcuts. |
| userHandle = UserHandleCompat.myUserHandle(); |
| userSerialNumber = userManager.getSerialNumberForUser(userHandle); |
| } |
| |
| if (userHandle == null) { |
| Log.d(TAG, "skipping deleted user"); |
| continue; |
| } |
| |
| if (itemType != Favorites.ITEM_TYPE_FOLDER) { |
| |
| final Intent intent; |
| final ComponentName cn; |
| try { |
| intent = Intent.parseUri(intentStr, 0); |
| } catch (URISyntaxException e) { |
| // bogus intent? |
| Log.d(TAG, "skipping invalid intent uri"); |
| continue; |
| } |
| |
| cn = intent.getComponent(); |
| if (TextUtils.isEmpty(intentStr)) { |
| // no intent? no icon |
| Log.d(TAG, "skipping empty intent"); |
| continue; |
| } else if (cn != null && |
| !LauncherModel.isValidPackageActivity(mContext, cn, |
| userHandle)) { |
| // component no longer exists. |
| Log.d(TAG, "skipping item whose component no longer exists."); |
| continue; |
| } else if (container == |
| LauncherSettings.Favorites.CONTAINER_DESKTOP) { |
| // Dedupe icons directly on the workspace |
| |
| // Canonicalize |
| // the Play Store sets the package parameter, but Launcher |
| // does not, so we clear that out to keep them the same. |
| // Also ignore intent flags for the purposes of deduping. |
| intent.setPackage(null); |
| int flags = intent.getFlags(); |
| intent.setFlags(0); |
| final String key = intent.toUri(0); |
| intent.setFlags(flags); |
| if (seenIntents.contains(key)) { |
| Log.d(TAG, "skipping duplicate"); |
| continue; |
| } else { |
| seenIntents.add(key); |
| } |
| } |
| } |
| |
| ContentValues values = new ContentValues(c.getColumnCount()); |
| values.put(LauncherSettings.Favorites._ID, c.getInt(idIndex)); |
| values.put(LauncherSettings.Favorites.INTENT, intentStr); |
| values.put(LauncherSettings.Favorites.TITLE, c.getString(titleIndex)); |
| values.put(LauncherSettings.Favorites.ICON, c.getBlob(iconIndex)); |
| values.put(LauncherSettings.Favorites.ICON_PACKAGE, |
| c.getString(iconPackageIndex)); |
| values.put(LauncherSettings.Favorites.ICON_RESOURCE, |
| c.getString(iconResourceIndex)); |
| values.put(LauncherSettings.Favorites.ITEM_TYPE, itemType); |
| values.put(LauncherSettings.Favorites.APPWIDGET_ID, -1); |
| values.put(LauncherSettings.Favorites.PROFILE_ID, userSerialNumber); |
| |
| if (container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { |
| hotseat.put(screen, values); |
| } |
| |
| if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { |
| // In a folder or in the hotseat, preserve position |
| values.put(LauncherSettings.Favorites.SCREEN, screen); |
| values.put(LauncherSettings.Favorites.CELLX, cellX); |
| values.put(LauncherSettings.Favorites.CELLY, cellY); |
| } else { |
| // For items contained directly on one of the workspace screen, |
| // we'll determine their location (screen, x, y) in a second pass. |
| } |
| |
| values.put(LauncherSettings.Favorites.CONTAINER, container); |
| |
| if (itemType != Favorites.ITEM_TYPE_FOLDER) { |
| shortcuts.add(values); |
| } else { |
| folders.add(values); |
| } |
| } |
| |
| // Now that we have all the hotseat icons, let's go through them left-right |
| // and assign valid locations for them in the new hotseat |
| final int N = hotseat.size(); |
| for (int idx=0; idx<N; idx++) { |
| int hotseatX = hotseat.keyAt(idx); |
| ContentValues values = hotseat.valueAt(idx); |
| |
| if (hotseatX == profile.hotseatAllAppsRank) { |
| // let's drop this in the next available hole in the hotseat |
| while (++hotseatX < hotseatWidth) { |
| if (hotseat.get(hotseatX) == null) { |
| // found a spot! move it here |
| values.put(LauncherSettings.Favorites.SCREEN, |
| hotseatX); |
| break; |
| } |
| } |
| } |
| if (hotseatX >= hotseatWidth) { |
| // no room for you in the hotseat? it's off to the desktop with you |
| values.put(LauncherSettings.Favorites.CONTAINER, |
| Favorites.CONTAINER_DESKTOP); |
| } |
| } |
| |
| final ArrayList<ContentValues> allItems = new ArrayList<ContentValues>(); |
| // Folders first |
| allItems.addAll(folders); |
| // Then shortcuts |
| allItems.addAll(shortcuts); |
| |
| // Layout all the folders |
| for (ContentValues values: allItems) { |
| if (values.getAsInteger(LauncherSettings.Favorites.CONTAINER) != |
| LauncherSettings.Favorites.CONTAINER_DESKTOP) { |
| // Hotseat items and folder items have already had their |
| // location information set. Nothing to be done here. |
| continue; |
| } |
| values.put(LauncherSettings.Favorites.SCREEN, curScreen); |
| values.put(LauncherSettings.Favorites.CELLX, curX); |
| values.put(LauncherSettings.Favorites.CELLY, curY); |
| curX = (curX + 1) % width; |
| if (curX == 0) { |
| curY = (curY + 1); |
| } |
| // Leave the last row of icons blank on every screen |
| if (curY == height - 1) { |
| curScreen = (int) generateNewScreenId(); |
| curY = 0; |
| } |
| } |
| |
| if (allItems.size() > 0) { |
| db.beginTransaction(); |
| try { |
| for (ContentValues row: allItems) { |
| if (row == null) continue; |
| if (dbInsertAndCheck(this, db, Favorites.TABLE_NAME, null, row) |
| < 0) { |
| return; |
| } else { |
| count++; |
| } |
| } |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| db.beginTransaction(); |
| try { |
| for (i=0; i<=curScreen; i++) { |
| final ContentValues values = new ContentValues(); |
| values.put(LauncherSettings.WorkspaceScreens._ID, i); |
| values.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); |
| if (dbInsertAndCheck(this, db, WorkspaceScreens.TABLE_NAME, null, values) |
| < 0) { |
| return; |
| } |
| } |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| |
| updateFolderItemsRank(db, false); |
| } |
| } finally { |
| c.close(); |
| } |
| } |
| |
| Log.d(TAG, "migrated " + count + " icons from Launcher2 into " |
| + (curScreen+1) + " screens"); |
| |
| // Update max IDs; very important since we just grabbed IDs from another database |
| mMaxItemId = initializeMaxItemId(db); |
| mMaxScreenId = initializeMaxScreenId(db); |
| if (LOGD) Log.d(TAG, "mMaxItemId: " + mMaxItemId + " mMaxScreenId: " + mMaxScreenId); |
| } |
| } |
| |
| /** |
| * @return the max _id in the provided table. |
| */ |
| @Thunk static long getMaxId(SQLiteDatabase db, String table) { |
| Cursor c = db.rawQuery("SELECT MAX(_id) FROM " + table, null); |
| // get the result |
| long id = -1; |
| if (c != null && c.moveToNext()) { |
| id = c.getLong(0); |
| } |
| if (c != null) { |
| c.close(); |
| } |
| |
| if (id == -1) { |
| throw new RuntimeException("Error: could not query max id in " + table); |
| } |
| |
| return id; |
| } |
| |
| static class SqlArguments { |
| public final String table; |
| public final String where; |
| public final String[] args; |
| |
| SqlArguments(Uri url, String where, String[] args) { |
| if (url.getPathSegments().size() == 1) { |
| this.table = url.getPathSegments().get(0); |
| this.where = where; |
| this.args = args; |
| } else if (url.getPathSegments().size() != 2) { |
| throw new IllegalArgumentException("Invalid URI: " + url); |
| } else if (!TextUtils.isEmpty(where)) { |
| throw new UnsupportedOperationException("WHERE clause not supported: " + url); |
| } else { |
| this.table = url.getPathSegments().get(0); |
| this.where = "_id=" + ContentUris.parseId(url); |
| this.args = null; |
| } |
| } |
| |
| SqlArguments(Uri url) { |
| if (url.getPathSegments().size() == 1) { |
| table = url.getPathSegments().get(0); |
| where = null; |
| args = null; |
| } else { |
| throw new IllegalArgumentException("Invalid URI: " + url); |
| } |
| } |
| } |
| |
| private static class ChangeListenerWrapper implements Handler.Callback { |
| |
| private static final int MSG_LAUNCHER_PROVIDER_CHANGED = 1; |
| private static final int MSG_EXTRACTED_COLORS_CHANGED = 2; |
| private static final int MSG_APP_WIDGET_HOST_RESET = 3; |
| |
| private LauncherProviderChangeListener mListener; |
| |
| @Override |
| public boolean handleMessage(Message msg) { |
| if (mListener != null) { |
| switch (msg.what) { |
| case MSG_LAUNCHER_PROVIDER_CHANGED: |
| mListener.onLauncherProviderChange(); |
| break; |
| case MSG_EXTRACTED_COLORS_CHANGED: |
| mListener.onExtractedColorsChanged(); |
| break; |
| case MSG_APP_WIDGET_HOST_RESET: |
| mListener.onAppWidgetHostReset(); |
| break; |
| } |
| } |
| return true; |
| } |
| } |
| } |
