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 com.android.providers.contacts.VoicemailContentProvider.UriData;
20
21import android.content.ContentValues;
22import android.database.Cursor;
23import android.net.Uri;
24import android.os.ParcelFileDescriptor;
25
26import java.io.FileNotFoundException;
27
28/**
29 * Defines interfaces for communication between voicemail content provider and voicemail table
30 * implementations.
31 */
32public interface VoicemailTable {
33    /**
34     * Interface that the voicemail content provider uses to delegate database level operations
35     * to the appropriate voicemail table implementation.
36     */
37    public interface Delegate {
38        public Uri insert(UriData uriData, ContentValues values);
39        public int delete(UriData uriData, String selection, String[] selectionArgs);
40        public Cursor query(UriData uriData, String[] projection, String selection,
41                String[] selectionArgs, String sortOrder);
42        public int update(UriData uriData, ContentValues values, String selection,
43                String[] selectionArgs);
44        public String getType(UriData uriData);
45        public ParcelFileDescriptor openFile(UriData uriData, String mode)
46                throws FileNotFoundException;
47    }
48
49    /**
50     * A helper interface that an implementation of {@link Delegate} uses to access common
51     * functionality across different voicemail tables.
52     */
53    public interface DelegateHelper {
54        /**
55         * Inserts source_package field into ContentValues. Used in insert operations.
56         */
57        public void checkAndAddSourcePackageIntoValues(UriData uriData, ContentValues values);
58
59        /**
60         * Opens the file pointed to by the column "_data".
61         * @throws FileNotFoundException
62         */
63        public ParcelFileDescriptor openDataFile(UriData uriData, String mode)
64                throws FileNotFoundException;
65    }
66}
67