1/*
2 * Copyright (C) 2013 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.keyguard;
18
19import android.graphics.drawable.Drawable;
20
21import java.util.HashMap;
22
23public class MultiUserAvatarCache {
24
25    private static MultiUserAvatarCache sInstance;
26
27    private final HashMap<Integer, Drawable> mCache;
28
29    private MultiUserAvatarCache() {
30        mCache = new HashMap<Integer, Drawable>();
31    }
32
33    public static MultiUserAvatarCache getInstance() {
34        if (sInstance == null) {
35            sInstance = new MultiUserAvatarCache();
36        }
37        return sInstance;
38    }
39
40    public void clear(int userId) {
41        mCache.remove(userId);
42    }
43
44    public Drawable get(int userId) {
45        return mCache.get(userId);
46    }
47
48    public void put(int userId, Drawable image) {
49        mCache.put(userId, image);
50    }
51}
52