1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.providers.contacts;
18
19import android.content.ContentValues;
20import android.content.Context;
21import android.database.sqlite.SQLiteDatabase;
22import android.provider.ContactsContract.Profile;
23
24import com.android.providers.contacts.util.NeededForTesting;
25
26/**
27 * A separate version of the contacts database helper for storing the user's profile data.
28 */
29public class ProfileDatabaseHelper extends ContactsDatabaseHelper {
30    private static final String TAG = "ProfileDatabaseHelper";
31
32    private static final String DATABASE_NAME = "profile.db";
33
34    // SQLite-standard table and columns for tracking autoincrement sequences.
35    private static final String SEQUENCE_TABLE = "sqlite_sequence";
36    private static final String SEQUENCE_NAME = "name";
37    private static final String SEQUENCE_SEQ = "seq";
38
39    private static ProfileDatabaseHelper sSingleton = null;
40
41    /**
42     * Returns a new instance for unit tests.
43     */
44    @NeededForTesting
45    public static ProfileDatabaseHelper getNewInstanceForTest(Context context, String filename) {
46        return new ProfileDatabaseHelper(context, filename, false, /* isTestInstance=*/ true);
47    }
48
49    private ProfileDatabaseHelper(
50            Context context, String databaseName, boolean optimizationEnabled,
51            boolean isTestInstance) {
52        super(context, databaseName, optimizationEnabled, isTestInstance);
53    }
54
55    public static synchronized ProfileDatabaseHelper getInstance(Context context) {
56        if (sSingleton == null) {
57            sSingleton = new ProfileDatabaseHelper(context, DATABASE_NAME, true,
58                    /* isTestInstance=*/ false);
59        }
60        return sSingleton;
61    }
62
63    @Override
64    protected int dbForProfile() {
65        return 1;
66    }
67
68    @Override
69    protected void initializeAutoIncrementSequences(SQLiteDatabase db) {
70        for (String table : Tables.SEQUENCE_TABLES) {
71            ContentValues values = new ContentValues();
72            values.put(SEQUENCE_NAME, table);
73            values.put(SEQUENCE_SEQ, Profile.MIN_ID);
74            db.insert(SEQUENCE_TABLE, null, values);
75        }
76    }
77
78    @Override
79    protected void postOnCreate() {
80    }
81
82    @Override
83    protected void setDatabaseCreationTime(SQLiteDatabase db) {
84        // We don't need the creation time for the profile DB.
85    }
86
87    @Override
88    protected void loadDatabaseCreationTime(SQLiteDatabase db) {
89        // We don't need the creation time for the profile DB.
90    }
91}
92