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 com.android.launcher3.Utilities; 22 23 import java.util.HashSet; 24 25 public abstract class PackageInstallerCompat { 26 27 public static final int STATUS_INSTALLED = 0; 28 public static final int STATUS_INSTALLING = 1; 29 public static final int STATUS_FAILED = 2; 30 31 private static final Object sInstanceLock = new Object(); 32 private static PackageInstallerCompat sInstance; 33 34 public static PackageInstallerCompat getInstance(Context context) { 35 synchronized (sInstanceLock) { 36 if (sInstance == null) { 37 if (Utilities.isLmpOrAbove()) { 38 sInstance = new PackageInstallerCompatVL(context); 39 } else { 40 sInstance = new PackageInstallerCompatV16(context) { }; 41 } 42 } 43 return sInstance; 44 } 45 } 46 47 public abstract HashSet<String> updateAndGetActiveSessionCache(); 48 49 public abstract void onPause(); 50 51 public abstract void onResume(); 52 53 public abstract void onFinishBind(); 54 55 public abstract void onStop(); 56 57 public abstract void recordPackageUpdate(String packageName, int state, int progress); 58 59 public static final class PackageInstallInfo { 60 public final String packageName; 61 62 public int state; 63 public int progress; 64 65 public PackageInstallInfo(String packageName) { 66 this.packageName = packageName; 67 } 68 69 public PackageInstallInfo(String packageName, int state, int progress) { 70 this.packageName = packageName; 71 this.state = state; 72 this.progress = progress; 73 } 74 } 75 } 76
