1/*
2 * Copyright (C) 2015 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 */
16package com.android.messaging.datamodel.media;
17
18import com.android.messaging.util.Assert;
19
20/**
21 * An implementation of {@link MediaCacheManager} that creates caches specific to Bugle's needs.
22 *
23 * To create a new type of cache, add to the list of cache ids and create a new MediaCache<>
24 * for your cache id / media resource type in createMediaCacheById().
25 */
26public class BugleMediaCacheManager extends MediaCacheManager {
27    // List of available cache ids.
28    public static final int DEFAULT_IMAGE_CACHE = 1;
29    public static final int AVATAR_IMAGE_CACHE = 2;
30    public static final int VCARD_CACHE = 3;
31
32    // VCard cache size - we compute the size by count, not by bytes.
33    private static final int VCARD_CACHE_SIZE = 5;
34    private static final int SHARED_IMAGE_CACHE_SIZE = 1024 * 10;   // 10MB
35
36    @Override
37    protected MediaCache<?> createMediaCacheById(final int id) {
38        switch (id) {
39            case DEFAULT_IMAGE_CACHE:
40                return new PoolableImageCache(SHARED_IMAGE_CACHE_SIZE, id, "DefaultImageCache");
41
42            case AVATAR_IMAGE_CACHE:
43                return new PoolableImageCache(id, "AvatarImageCache");
44
45            case VCARD_CACHE:
46                return new MediaCache<VCardResource>(VCARD_CACHE_SIZE, id, "VCardCache");
47
48            default:
49                Assert.fail("BugleMediaCacheManager: unsupported cache id " + id);
50                break;
51        }
52        return null;
53    }
54}
55