Sunny Goyal
eb27546cc3
ENABLE_DATABASE_RESTORE feature is already removed Also migrating some tests from BackupRestoreTest to RestoreDbTaskTest Bug: 270392706 Test: Presubmit Flag: N/A Change-Id: I71822bbc2232008b3d2b4b9fbed0db5d889591e4
76 lines
2.5 KiB
Java
76 lines
2.5 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.model;
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import static com.android.launcher3.provider.LauncherDbUtils.dropTable;
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import static com.android.launcher3.provider.LauncherDbUtils.tableExists;
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import android.content.Context;
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import android.database.sqlite.SQLiteDatabase;
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import android.os.Process;
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import com.android.launcher3.LauncherSettings.Favorites;
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import com.android.launcher3.pm.UserCache;
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/**
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* Helper class to backup and restore Favorites table into a separate table
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* within the same data base.
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*/
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public class GridBackupTable {
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private final Context mContext;
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private final SQLiteDatabase mDb;
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public GridBackupTable(Context context, SQLiteDatabase db) {
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mContext = context;
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mDb = db;
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}
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/**
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* Creates a new table and populates with copy of Favorites.TABLE_NAME
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*/
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public void createCustomBackupTable(String tableName) {
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long profileId = UserCache.INSTANCE.get(mContext).getSerialNumberForUser(
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Process.myUserHandle());
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copyTable(mDb, Favorites.TABLE_NAME, tableName, profileId);
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}
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/**
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*
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* Restores the contents of a custom table to Favorites.TABLE_NAME
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*/
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public void restoreFromCustomBackupTable(String tableName, boolean dropAfterUse) {
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if (!tableExists(mDb, tableName)) {
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return;
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}
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long userSerial = UserCache.INSTANCE.get(mContext).getSerialNumberForUser(
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Process.myUserHandle());
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copyTable(mDb, tableName, Favorites.TABLE_NAME, userSerial);
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if (dropAfterUse) {
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dropTable(mDb, tableName);
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}
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}
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/**
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* Copy valid grid entries from one table to another.
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*/
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private static void copyTable(SQLiteDatabase db, String from, String to, long userSerial) {
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dropTable(db, to);
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Favorites.addTableToDb(db, userSerial, false, to);
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db.execSQL("INSERT INTO " + to + " SELECT * FROM " + from);
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}
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}
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