Examples with SQLiteTransaction com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction used on opensource projects

Example 11 with SQLiteTransaction

use of com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction in project android_packages_apps_Launcher3 by crdroidandroid.

the class GridSizeMigrationTask method removeBrokenHotseatItems.

/**
 * Removes any broken item from the hotseat.
 *
 * @return a map with occupied hotseat position set to non-null value.
 */
public static IntSparseArrayMap<Object> removeBrokenHotseatItems(Context context) throws Exception {
    try (SQLiteTransaction transaction = (SQLiteTransaction) Settings.call(context.getContentResolver(), Settings.METHOD_NEW_TRANSACTION).getBinder(Settings.EXTRA_VALUE)) {
        GridSizeMigrationTask task = new GridSizeMigrationTask(context, transaction.getDb(), getValidPackages(context), false, /* usePreviewTable */
        Integer.MAX_VALUE, Integer.MAX_VALUE);
        // Load all the valid entries
        ArrayList<DbEntry> items = task.loadHotseatEntries();
        // Delete any entry marked for deletion by above load.
        task.applyOperations();
        IntSparseArrayMap<Object> positions = new IntSparseArrayMap<>();
        for (DbEntry item : items) {
            positions.put(item.screenId, item);
        }
        transaction.commit();
        return positions;
    }
}

Example 12 with SQLiteTransaction

use of com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction in project android_packages_apps_Launcher3 by crdroidandroid.

the class GridSizeMigrationTaskV2 method migrateGridIfNeeded.

/**
 * When migrating the grid for preview, we copy the table
 * {@link LauncherSettings.Favorites.TABLE_NAME} into
 * {@link LauncherSettings.Favorites.PREVIEW_TABLE_NAME}, run grid size migration from the
 * former to the later, then use the later table for preview.
 *
 * Similarly when doing the actual grid migration, the former grid option's table
 * {@link LauncherSettings.Favorites.TABLE_NAME} is copied into the new grid option's
 * {@link LauncherSettings.Favorites.TMP_TABLE}, we then run the grid size migration algorithm
 * to migrate the later to the former, and load the workspace from the default
 * {@link LauncherSettings.Favorites.TABLE_NAME}.
 *
 * @return false if the migration failed.
 */
public static boolean migrateGridIfNeeded(Context context, InvariantDeviceProfile idp) {
    boolean migrateForPreview = idp != null;
    if (!migrateForPreview) {
        idp = LauncherAppState.getIDP(context);
    }
    if (!needsToMigrate(context, idp)) {
        return true;
    }
    SharedPreferences prefs = Utilities.getPrefs(context);
    String gridSizeString = getPointString(idp.numColumns, idp.numRows);
    HashSet<String> validPackages = getValidPackages(context);
    int srcHotseatCount = prefs.getInt(KEY_MIGRATION_SRC_HOTSEAT_COUNT, idp.numDatabaseHotseatIcons);
    if (migrateForPreview) {
        if (!LauncherSettings.Settings.call(context.getContentResolver(), LauncherSettings.Settings.METHOD_PREP_FOR_PREVIEW, idp.dbFile).getBoolean(LauncherSettings.Settings.EXTRA_VALUE)) {
            return false;
        }
    } else if (!LauncherSettings.Settings.call(context.getContentResolver(), LauncherSettings.Settings.METHOD_UPDATE_CURRENT_OPEN_HELPER).getBoolean(LauncherSettings.Settings.EXTRA_VALUE)) {
        return false;
    }
    long migrationStartTime = System.currentTimeMillis();
    try (SQLiteTransaction t = (SQLiteTransaction) LauncherSettings.Settings.call(context.getContentResolver(), LauncherSettings.Settings.METHOD_NEW_TRANSACTION).getBinder(LauncherSettings.Settings.EXTRA_VALUE)) {
        DbReader srcReader = new DbReader(t.getDb(), migrateForPreview ? LauncherSettings.Favorites.TABLE_NAME : LauncherSettings.Favorites.TMP_TABLE, context, validPackages, srcHotseatCount);
        DbReader destReader = new DbReader(t.getDb(), migrateForPreview ? LauncherSettings.Favorites.PREVIEW_TABLE_NAME : LauncherSettings.Favorites.TABLE_NAME, context, validPackages, idp.numDatabaseHotseatIcons);
        Point targetSize = new Point(idp.numColumns, idp.numRows);
        GridSizeMigrationTaskV2 task = new GridSizeMigrationTaskV2(context, t.getDb(), srcReader, destReader, idp.numDatabaseHotseatIcons, targetSize);
        task.migrate();
        if (!migrateForPreview) {
            dropTable(t.getDb(), LauncherSettings.Favorites.TMP_TABLE);
        }
        t.commit();
        return true;
    } catch (Exception e) {
        Log.e(TAG, "Error during grid migration", e);
        return false;
    } finally {
        Log.v(TAG, "Workspace migration completed in " + (System.currentTimeMillis() - migrationStartTime));
        if (!migrateForPreview) {
            // Save current configuration, so that the migration does not run again.
            prefs.edit().putString(KEY_MIGRATION_SRC_WORKSPACE_SIZE, gridSizeString).putInt(KEY_MIGRATION_SRC_HOTSEAT_COUNT, idp.numDatabaseHotseatIcons).apply();
        }
    }
}

Example 13 with SQLiteTransaction

use of com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction in project android_packages_apps_Launcher3 by crdroidandroid.

the class RestoreDbTask method restoreIfPossible.

/**
 * Restore the workspace if backup is available.
 */
public static boolean restoreIfPossible(@NonNull Context context, @NonNull DatabaseHelper helper, @NonNull BackupManager backupManager) {
    final SQLiteDatabase db = helper.getWritableDatabase();
    try (SQLiteTransaction t = new SQLiteTransaction(db)) {
        RestoreDbTask task = new RestoreDbTask();
        task.restoreWorkspace(context, db, helper, backupManager);
        t.commit();
        return true;
    } catch (Exception e) {
        FileLog.e(TAG, "Failed to restore db", e);
        return false;
    }
}

Example 14 with SQLiteTransaction

use of com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction in project android_packages_apps_Launcher3 by crdroidandroid.

the class RestoreDbTask method performRestore.

public static boolean performRestore(Context context, DatabaseHelper helper, BackupManager backupManager) {
    SQLiteDatabase db = helper.getWritableDatabase();
    try (SQLiteTransaction t = new SQLiteTransaction(db)) {
        RestoreDbTask task = new RestoreDbTask();
        task.backupWorkspace(context, db);
        task.sanitizeDB(helper, db, backupManager);
        task.restoreAppWidgetIdsIfExists(context);
        t.commit();
        return true;
    } catch (Exception e) {
        FileLog.e(TAG, "Failed to verify db", e);
        return false;
    }
}

Example 15 with SQLiteTransaction

use of com.android.launcher3.provider.LauncherDbUtils.SQLiteTransaction in project android_packages_apps_Launcher3 by crdroidandroid.

the class DbDowngradeHelper method onDowngrade.

public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
    ArrayList<String> allCommands = new ArrayList<>();
    for (int i = oldVersion - 1; i >= newVersion; i--) {
        String[] commands = mStatements.get(i);
        if (commands == null) {
            throw new SQLiteException("Downgrade path not supported to version " + i);
        }
        Collections.addAll(allCommands, commands);
    }
    try (SQLiteTransaction t = new SQLiteTransaction(db)) {
        for (String sql : allCommands) {
            db.execSQL(sql);
        }
        t.commit();
    }
}