1 /*
2  * Copyright (C) 2014 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 
17 package com.android.launcher3.compat;
18 
19 import android.content.Context;
20 
21 import java.util.HashMap;
22 
23 public abstract class PackageInstallerCompat {
24 
25     public static final int STATUS_INSTALLED = 0;
26     public static final int STATUS_INSTALLING = 1;
27     public static final int STATUS_FAILED = 2;
28 
29     private static final Object sInstanceLock = new Object();
30     private static PackageInstallerCompat sInstance;
31 
getInstance(Context context)32     public static PackageInstallerCompat getInstance(Context context) {
33         synchronized (sInstanceLock) {
34             if (sInstance == null) {
35                 sInstance = new PackageInstallerCompatVL(context);
36             }
37             return sInstance;
38         }
39     }
40 
41     /**
42      * @return a map of active installs to their progress
43      */
updateAndGetActiveSessionCache()44     public abstract HashMap<String, Integer> updateAndGetActiveSessionCache();
45 
onStop()46     public abstract void onStop();
47 
48     public static final class PackageInstallInfo {
49         public final String packageName;
50 
51         public int state;
52         public int progress;
53 
PackageInstallInfo(String packageName)54         public PackageInstallInfo(String packageName) {
55             this.packageName = packageName;
56         }
57 
PackageInstallInfo(String packageName, int state, int progress)58         public PackageInstallInfo(String packageName, int state, int progress) {
59             this.packageName = packageName;
60             this.state = state;
61             this.progress = progress;
62         }
63     }
64 }
65