1 /* 2 * Copyright (C) 2022 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.permissioncontroller.permission.data.v34 18 19 import android.app.Application 20 import android.content.pm.InstallSourceInfo 21 import android.content.pm.PackageManager 22 import android.os.Process 23 import android.os.UserHandle 24 import android.util.Log 25 import com.android.permissioncontroller.PermissionControllerApplication 26 import com.android.permissioncontroller.permission.data.DataRepositoryForPackage 27 import com.android.permissioncontroller.permission.data.PackageBroadcastReceiver 28 import com.android.permissioncontroller.permission.data.SmartAsyncMediatorLiveData 29 import com.android.permissioncontroller.permission.model.livedatatypes.v34.LightInstallSourceInfo 30 import com.android.permissioncontroller.permission.model.livedatatypes.v34.LightInstallSourceInfo.Companion.INSTALL_SOURCE_UNAVAILABLE 31 import kotlinx.coroutines.Job 32 33 /** 34 * [LightInstallSourceInfo] [LiveData] for the specified package 35 * 36 * @param app current Application 37 * @param packageName name of the package to get InstallSourceInfo for 38 * @param user The user of the package 39 */ 40 class LightInstallSourceInfoLiveData 41 private constructor( 42 private val app: Application, 43 private val packageName: String, 44 private val user: UserHandle 45 ) : 46 SmartAsyncMediatorLiveData<LightInstallSourceInfo>(), 47 PackageBroadcastReceiver.PackageBroadcastListener { 48 onActivenull49 override fun onActive() { 50 super.onActive() 51 PackageBroadcastReceiver.addChangeCallback(packageName, this) 52 } 53 onInactivenull54 override fun onInactive() { 55 super.onInactive() 56 PackageBroadcastReceiver.removeChangeCallback(packageName, this) 57 } 58 59 /** 60 * Callback from the PackageBroadcastReceiver 61 * 62 * @param packageName the name of the package which was updated. 63 */ onPackageUpdatenull64 override fun onPackageUpdate(packageName: String) { 65 update() 66 } 67 loadDataAndPostValuenull68 override suspend fun loadDataAndPostValue(job: Job) { 69 if (job.isCancelled) { 70 return 71 } 72 73 val lightInstallSourceInfo: LightInstallSourceInfo = 74 try { 75 val installSourceInfo = getInstallSourceInfo(packageName) 76 LightInstallSourceInfo( 77 installSourceInfo.packageSource, installSourceInfo.initiatingPackageName) 78 } catch (e: PackageManager.NameNotFoundException) { 79 Log.w(LOG_TAG, "InstallSourceInfo for $packageName not found") 80 invalidateSingle(packageName to user) 81 INSTALL_SOURCE_UNAVAILABLE 82 } 83 postValue(lightInstallSourceInfo) 84 } 85 86 /** Returns the [InstallSourceInfo] for the given package. */ 87 @Throws(PackageManager.NameNotFoundException::class) getInstallSourceInfonull88 private fun getInstallSourceInfo(packageName: String): InstallSourceInfo { 89 val userContext = 90 if (user == Process.myUserHandle()) { 91 app 92 } else { 93 app.createContextAsUser(user, /* flags= */ 0) 94 } 95 return userContext.packageManager.getInstallSourceInfo(packageName) 96 } 97 98 companion object : 99 DataRepositoryForPackage<Pair<String, UserHandle>, LightInstallSourceInfoLiveData>() { 100 private val LOG_TAG = LightInstallSourceInfoLiveData::class.java.simpleName 101 newValuenull102 override fun newValue(key: Pair<String, UserHandle>): LightInstallSourceInfoLiveData { 103 return LightInstallSourceInfoLiveData( 104 PermissionControllerApplication.get(), key.first, key.second) 105 } 106 } 107 } 108