| /* |
| * 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.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.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.net.Uri; |
| import android.os.StrictMode; |
| 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.compat.UserHandleCompat; |
| import com.android.launcher3.compat.UserManagerCompat; |
| import com.android.launcher3.config.ProviderConfig; |
| |
| import java.io.File; |
| 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 = "Launcher.LauncherProvider"; |
| private static final boolean LOGD = false; |
| |
| private static final int DATABASE_VERSION = 22; |
| |
| static final String OLD_AUTHORITY = "com.android.launcher2.settings"; |
| static final String AUTHORITY = ProviderConfig.AUTHORITY; |
| |
| static final String TABLE_FAVORITES = "favorites"; |
| static final String TABLE_WORKSPACE_SCREENS = "workspaceScreens"; |
| static final String PARAMETER_NOTIFY = "notify"; |
| static final String EMPTY_DATABASE_CREATED = "EMPTY_DATABASE_CREATED"; |
| |
| private static final String URI_PARAM_IS_EXTERNAL_ADD = "isExternalAdd"; |
| |
| private LauncherProviderChangeListener mListener; |
| |
| /** |
| * {@link Uri} triggered at any registered {@link android.database.ContentObserver} when |
| * {@link AppWidgetHost#deleteHost()} is called during database creation. |
| * Use this to recall {@link AppWidgetHost#startListening()} if needed. |
| */ |
| static final Uri CONTENT_APPWIDGET_RESET_URI = |
| Uri.parse("content://" + AUTHORITY + "/appWidgetReset"); |
| |
| private DatabaseHelper mOpenHelper; |
| |
| @Override |
| public boolean onCreate() { |
| final Context context = getContext(); |
| StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskWrites(); |
| mOpenHelper = new DatabaseHelper(context); |
| StrictMode.setThreadPolicy(oldPolicy); |
| LauncherAppState.setLauncherProvider(this); |
| return true; |
| } |
| |
| public boolean wasNewDbCreated() { |
| return mOpenHelper.wasNewDbCreated(); |
| } |
| |
| public void setLauncherProviderChangeListener(LauncherProviderChangeListener listener) { |
| 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; |
| } |
| } |
| |
| @Override |
| public Cursor query(Uri uri, String[] projection, String selection, |
| String[] selectionArgs, String sortOrder) { |
| |
| 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; |
| } |
| |
| private 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); |
| } |
| |
| @Override |
| public Uri insert(Uri uri, ContentValues initialValues) { |
| SqlArguments args = new SqlArguments(uri); |
| |
| // In very limited cases, we support system|signature permission apps to add to the db |
| String externalAdd = uri.getQueryParameter(URI_PARAM_IS_EXTERNAL_ADD); |
| if (externalAdd != null && "true".equals(externalAdd)) { |
| if (!mOpenHelper.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); |
| sendNotify(uri); |
| |
| return uri; |
| } |
| |
| |
| @Override |
| public int bulkInsert(Uri uri, ContentValues[] values) { |
| 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(); |
| } |
| |
| sendNotify(uri); |
| return values.length; |
| } |
| |
| @Override |
| public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) |
| throws OperationApplicationException { |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| db.beginTransaction(); |
| try { |
| ContentProviderResult[] result = super.applyBatch(operations); |
| db.setTransactionSuccessful(); |
| return result; |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| @Override |
| public int delete(Uri uri, String selection, String[] selectionArgs) { |
| SqlArguments args = new SqlArguments(uri, selection, selectionArgs); |
| |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| int count = db.delete(args.table, args.where, args.args); |
| if (count > 0) sendNotify(uri); |
| |
| return count; |
| } |
| |
| @Override |
| public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { |
| 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) sendNotify(uri); |
| |
| return count; |
| } |
| |
| private void sendNotify(Uri uri) { |
| String notify = uri.getQueryParameter(PARAMETER_NOTIFY); |
| if (notify == null || "true".equals(notify)) { |
| getContext().getContentResolver().notifyChange(uri, null); |
| } |
| |
| // always notify the backup agent |
| LauncherBackupAgentHelper.dataChanged(getContext()); |
| if (mListener != null) { |
| mListener.onLauncherProviderChange(); |
| } |
| } |
| |
| private static void addModifiedTime(ContentValues values) { |
| values.put(LauncherSettings.ChangeLogColumns.MODIFIED, System.currentTimeMillis()); |
| } |
| |
| public long generateNewItemId() { |
| return mOpenHelper.generateNewItemId(); |
| } |
| |
| public void updateMaxItemId(long id) { |
| mOpenHelper.updateMaxItemId(id); |
| } |
| |
| public long generateNewScreenId() { |
| return mOpenHelper.generateNewScreenId(); |
| } |
| |
| /** |
| * Clears all the data for a fresh start. |
| */ |
| synchronized public void createEmptyDB() { |
| mOpenHelper.createEmptyDB(mOpenHelper.getWritableDatabase()); |
| } |
| |
| public void clearFlagEmptyDbCreated() { |
| String spKey = LauncherAppState.getSharedPreferencesKey(); |
| getContext().getSharedPreferences(spKey, Context.MODE_PRIVATE) |
| .edit() |
| .remove(EMPTY_DATABASE_CREATED) |
| .commit(); |
| } |
| |
| /** |
| * Loads the default workspace based on the following priority scheme: |
| * 1) From a package provided by play store |
| * 2) From a partner configuration APK, already in the system image |
| * 3) The default configuration for the particular device |
| */ |
| synchronized public void loadDefaultFavoritesIfNecessary() { |
| String spKey = LauncherAppState.getSharedPreferencesKey(); |
| SharedPreferences sp = getContext().getSharedPreferences(spKey, Context.MODE_PRIVATE); |
| |
| if (sp.getBoolean(EMPTY_DATABASE_CREATED, false)) { |
| Log.d(TAG, "loading default workspace"); |
| |
| AutoInstallsLayout loader = AutoInstallsLayout.get(getContext(), |
| mOpenHelper.mAppWidgetHost, 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(), mOpenHelper.mAppWidgetHost, |
| mOpenHelper, partnerRes, workspaceResId); |
| } |
| } |
| } |
| |
| final boolean usingExternallyProvidedLayout = loader != null; |
| if (loader == null) { |
| loader = getDefaultLayoutParser(); |
| } |
| |
| // 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()); |
| } |
| clearFlagEmptyDbCreated(); |
| } |
| } |
| |
| private DefaultLayoutParser getDefaultLayoutParser() { |
| int defaultLayout = LauncherAppState.getInstance() |
| .getDynamicGrid().getDeviceProfile().defaultLayoutId; |
| return new DefaultLayoutParser(getContext(), mOpenHelper.mAppWidgetHost, |
| mOpenHelper, getContext().getResources(), defaultLayout); |
| } |
| |
| public void migrateLauncher2Shortcuts() { |
| mOpenHelper.migrateLauncher2Shortcuts(mOpenHelper.getWritableDatabase(), |
| Uri.parse(getContext().getString(R.string.old_launcher_provider_uri))); |
| } |
| |
| public void updateFolderItemsRank() { |
| mOpenHelper.updateFolderItemsRank(mOpenHelper.getWritableDatabase(), false); |
| } |
| |
| public void deleteDatabase() { |
| // Are you sure? (y/n) |
| final SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| final File dbFile = new File(db.getPath()); |
| mOpenHelper.close(); |
| if (dbFile.exists()) { |
| SQLiteDatabase.deleteDatabase(dbFile); |
| } |
| mOpenHelper = new DatabaseHelper(getContext()); |
| } |
| |
| private static class DatabaseHelper extends SQLiteOpenHelper implements LayoutParserCallback { |
| private final Context mContext; |
| private final AppWidgetHost mAppWidgetHost; |
| private long mMaxItemId = -1; |
| private long mMaxScreenId = -1; |
| |
| private boolean mNewDbCreated = false; |
| |
| DatabaseHelper(Context context) { |
| super(context, LauncherFiles.LAUNCHER_DB, null, DATABASE_VERSION); |
| mContext = context; |
| mAppWidgetHost = new AppWidgetHost(context, Launcher.APPWIDGET_HOST_ID); |
| |
| // 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()); |
| } |
| } |
| |
| public boolean wasNewDbCreated() { |
| return mNewDbCreated; |
| } |
| |
| /** |
| * Send notification that we've deleted the {@link AppWidgetHost}, |
| * probably as part of the initial database creation. The receiver may |
| * want to re-call {@link AppWidgetHost#startListening()} to ensure |
| * callbacks are correctly set. |
| */ |
| private void sendAppWidgetResetNotify() { |
| final ContentResolver resolver = mContext.getContentResolver(); |
| resolver.notifyChange(CONTENT_APPWIDGET_RESET_URI, null); |
| } |
| |
| @Override |
| public void onCreate(SQLiteDatabase db) { |
| if (LOGD) Log.d(TAG, "creating new launcher database"); |
| |
| mMaxItemId = 1; |
| mMaxScreenId = 0; |
| mNewDbCreated = true; |
| |
| UserManagerCompat userManager = UserManagerCompat.getInstance(mContext); |
| long userSerialNumber = userManager.getSerialNumberForUser( |
| UserHandleCompat.myUserHandle()); |
| |
| db.execSQL("CREATE TABLE favorites (" + |
| "_id INTEGER PRIMARY KEY," + |
| "title TEXT," + |
| "intent TEXT," + |
| "container INTEGER," + |
| "screen INTEGER," + |
| "cellX INTEGER," + |
| "cellY INTEGER," + |
| "spanX INTEGER," + |
| "spanY INTEGER," + |
| "itemType INTEGER," + |
| "appWidgetId INTEGER NOT NULL DEFAULT -1," + |
| "isShortcut INTEGER," + |
| "iconType INTEGER," + |
| "iconPackage TEXT," + |
| "iconResource TEXT," + |
| "icon BLOB," + |
| "uri TEXT," + |
| "displayMode INTEGER," + |
| "appWidgetProvider TEXT," + |
| "modified INTEGER NOT NULL DEFAULT 0," + |
| "restored INTEGER NOT NULL DEFAULT 0," + |
| "profileId INTEGER DEFAULT " + userSerialNumber + "," + |
| "rank INTEGER NOT NULL DEFAULT 0" + |
| ");"); |
| addWorkspacesTable(db); |
| |
| // Database was just created, so wipe any previous widgets |
| if (mAppWidgetHost != null) { |
| mAppWidgetHost.deleteHost(); |
| sendAppWidgetResetNotify(); |
| } |
| |
| // Fresh and clean launcher DB. |
| mMaxItemId = initializeMaxItemId(db); |
| setFlagEmptyDbCreated(); |
| } |
| |
| private void addWorkspacesTable(SQLiteDatabase db) { |
| db.execSQL("CREATE TABLE " + TABLE_WORKSPACE_SCREENS + " (" + |
| 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 " + TABLE_FAVORITES + |
| " WHERE " + |
| LauncherSettings.Favorites.SCREEN + " NOT IN (SELECT " + |
| LauncherSettings.WorkspaceScreens._ID + " FROM " + TABLE_WORKSPACE_SCREENS + ")" + |
| " 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 " + TABLE_FAVORITES + |
| " 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 " + TABLE_FAVORITES + |
| " WHERE " + LauncherSettings.Favorites.ITEM_TYPE + " = " + |
| LauncherSettings.Favorites.ITEM_TYPE_FOLDER + ")"; |
| db.execSQL(removeOrphanedFolderItems); |
| } |
| |
| private void setFlagJustLoadedOldDb() { |
| String spKey = LauncherAppState.getSharedPreferencesKey(); |
| SharedPreferences sp = mContext.getSharedPreferences(spKey, Context.MODE_PRIVATE); |
| sp.edit().putBoolean(EMPTY_DATABASE_CREATED, false).commit(); |
| } |
| |
| private void setFlagEmptyDbCreated() { |
| String spKey = LauncherAppState.getSharedPreferencesKey(); |
| SharedPreferences sp = mContext.getSharedPreferences(spKey, Context.MODE_PRIVATE); |
| sp.edit().putBoolean(EMPTY_DATABASE_CREATED, true).commit(); |
| } |
| |
| @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); |
| } |
| 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: { |
| db.beginTransaction(); |
| try { |
| // Insert new column for holding restore status |
| db.execSQL("ALTER TABLE favorites " + |
| "ADD COLUMN restored 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 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.synchonouslyMarkFirstRunClingDismissed(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: { |
| // 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 " + TABLE_FAVORITES); |
| db.execSQL("DROP TABLE IF EXISTS " + TABLE_WORKSPACE_SCREENS); |
| onCreate(db); |
| } |
| |
| /** |
| * Recreates workspace table and migrates data to the new table. |
| */ |
| public boolean recreateWorkspaceTable(SQLiteDatabase db) { |
| db.beginTransaction(); |
| try { |
| Cursor c = db.query(TABLE_WORKSPACE_SCREENS, |
| 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 " + TABLE_WORKSPACE_SCREENS); |
| addWorkspacesTable(db); |
| |
| // 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(TABLE_WORKSPACE_SCREENS, 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; |
| } |
| |
| private 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) { |
| db.beginTransaction(); |
| try { |
| UserManagerCompat userManager = UserManagerCompat.getInstance(mContext); |
| // Default to the serial number of this user, for older |
| // shortcuts. |
| long userSerialNumber = userManager.getSerialNumberForUser( |
| UserHandleCompat.myUserHandle()); |
| // Insert new column for holding user serial number |
| db.execSQL("ALTER TABLE favorites " + |
| "ADD COLUMN profileId INTEGER DEFAULT " |
| + userSerialNumber + ";"); |
| 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; |
| } |
| |
| // 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, TABLE_FAVORITES, null, values); |
| } |
| |
| public void updateMaxItemId(long id) { |
| mMaxItemId = id + 1; |
| } |
| |
| public void checkId(String table, ContentValues values) { |
| long id = values.getAsLong(LauncherSettings.BaseLauncherColumns._ID); |
| if (table == LauncherProvider.TABLE_WORKSPACE_SCREENS) { |
| mMaxScreenId = Math.max(id, mMaxScreenId); |
| } else { |
| mMaxItemId = Math.max(id, mMaxItemId); |
| } |
| } |
| |
| private long initializeMaxItemId(SQLiteDatabase db) { |
| return getMaxId(db, TABLE_FAVORITES); |
| } |
| |
| // 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; |
| // Log to disk |
| Launcher.addDumpLog(TAG, "11683562 - generateNewScreenId(): " + mMaxScreenId, true); |
| return mMaxScreenId; |
| } |
| |
| private long initializeMaxScreenId(SQLiteDatabase db) { |
| return getMaxId(db, TABLE_WORKSPACE_SCREENS); |
| } |
| |
| private boolean initializeExternalAdd(ContentValues values) { |
| // 1. Ensure that externally added items have a valid item id |
| long id = 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(mContext); |
| ComponentName cn = ComponentName.unflattenFromString( |
| values.getAsString(Favorites.APPWIDGET_PROVIDER)); |
| |
| if (cn != null) { |
| try { |
| int appWidgetId = mAppWidgetHost.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); |
| if (!addScreenIdIfNecessary(screenId)) { |
| return false; |
| } |
| return true; |
| } |
| |
| // Returns true of screen id exists, or if successfully added |
| private boolean addScreenIdIfNecessary(long screenId) { |
| if (!hasScreenId(screenId)) { |
| int rank = getMaxScreenRank() + 1; |
| |
| ContentValues v = new ContentValues(); |
| v.put(LauncherSettings.WorkspaceScreens._ID, screenId); |
| v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, rank); |
| if (dbInsertAndCheck(this, getWritableDatabase(), |
| TABLE_WORKSPACE_SCREENS, null, v) < 0) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private boolean hasScreenId(long screenId) { |
| SQLiteDatabase db = getWritableDatabase(); |
| Cursor c = db.rawQuery("SELECT * FROM " + TABLE_WORKSPACE_SCREENS + " WHERE " |
| + LauncherSettings.WorkspaceScreens._ID + " = " + screenId, null); |
| if (c != null) { |
| int count = c.getCount(); |
| c.close(); |
| return count > 0; |
| } else { |
| return false; |
| } |
| } |
| |
| private int getMaxScreenRank() { |
| SQLiteDatabase db = getWritableDatabase(); |
| Cursor c = db.rawQuery("SELECT MAX(" + LauncherSettings.WorkspaceScreens.SCREEN_RANK |
| + ") FROM " + TABLE_WORKSPACE_SCREENS, null); |
| |
| // get the result |
| final int maxRankIndex = 0; |
| int rank = -1; |
| if (c != null && c.moveToNext()) { |
| rank = c.getInt(maxRankIndex); |
| } |
| if (c != null) { |
| c.close(); |
| } |
| |
| return rank; |
| } |
| |
| private 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, TABLE_WORKSPACE_SCREENS, 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; |
| } |
| |
| private 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 iconTypeIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_TYPE); |
| 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 uriIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); |
| final int displayModeIndex |
| = c.getColumnIndexOrThrow(LauncherSettings.Favorites.DISPLAY_MODE); |
| final int profileIndex |
| = c.getColumnIndex(LauncherSettings.Favorites.PROFILE_ID); |
| |
| int i = 0; |
| int curX = 0; |
| int curY = 0; |
| |
| final LauncherAppState app = LauncherAppState.getInstance(); |
| final DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); |
| final int width = (int) grid.numColumns; |
| final int height = (int) grid.numRows; |
| final int hotseatWidth = (int) grid.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) { |
| Launcher.addDumpLog(TAG, "skipping deleted user", true); |
| continue; |
| } |
| |
| Launcher.addDumpLog(TAG, "migrating \"" |
| + c.getString(titleIndex) + "\" (" |
| + cellX + "," + cellY + "@" |
| + LauncherSettings.Favorites.containerToString(container) |
| + "/" + screen |
| + "): " + intentStr, true); |
| |
| if (itemType != Favorites.ITEM_TYPE_FOLDER) { |
| |
| final Intent intent; |
| final ComponentName cn; |
| try { |
| intent = Intent.parseUri(intentStr, 0); |
| } catch (URISyntaxException e) { |
| // bogus intent? |
| Launcher.addDumpLog(TAG, |
| "skipping invalid intent uri", true); |
| continue; |
| } |
| |
| cn = intent.getComponent(); |
| if (TextUtils.isEmpty(intentStr)) { |
| // no intent? no icon |
| Launcher.addDumpLog(TAG, "skipping empty intent", true); |
| continue; |
| } else if (cn != null && |
| !LauncherModel.isValidPackageActivity(mContext, cn, |
| userHandle)) { |
| // component no longer exists. |
| Launcher.addDumpLog(TAG, "skipping item whose component " + |
| "no longer exists.", true); |
| 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)) { |
| Launcher.addDumpLog(TAG, "skipping duplicate", true); |
| 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_TYPE, |
| c.getInt(iconTypeIndex)); |
| 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.URI, c.getString(uriIndex)); |
| values.put(LauncherSettings.Favorites.DISPLAY_MODE, |
| c.getInt(displayModeIndex)); |
| 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 == grid.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, TABLE_FAVORITES, 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, TABLE_WORKSPACE_SCREENS, null, values) |
| < 0) { |
| return; |
| } |
| } |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| |
| updateFolderItemsRank(db, false); |
| } |
| } finally { |
| c.close(); |
| } |
| } |
| |
| Launcher.addDumpLog(TAG, "migrated " + count + " icons from Launcher2 into " |
| + (curScreen+1) + " screens", true); |
| |
| // ensure that new screens are created to hold these icons |
| setFlagJustLoadedOldDb(); |
| |
| // 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. |
| */ |
| private 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); |
| } |
| } |
| } |
| } |