| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.permissioncontroller.permission.data |
| |
| import android.app.Application |
| import android.content.pm.PackageManager.GET_PERMISSIONS |
| import android.content.pm.PackageManager.MATCH_FACTORY_ONLY |
| import android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES |
| import android.os.UserHandle |
| import com.android.permissioncontroller.PermissionControllerApplication |
| import com.android.permissioncontroller.permission.model.livedatatypes.LightPackageInfo |
| import kotlinx.coroutines.Job |
| |
| /** |
| * A LiveData which returns all of the preinstalled packageinfos. For packages that are preinstalled |
| * and then updated, the preinstalled (i.e. old) version is returned. |
| * |
| * @param app The current application |
| * @param user The user whose packages are desired |
| */ |
| class PreinstalledUserPackageInfosLiveData private constructor( |
| private val app: Application, |
| private val user: UserHandle |
| ) : SmartAsyncMediatorLiveData<@kotlin.jvm.JvmSuppressWildcards List<LightPackageInfo>>( |
| isStaticVal = true, alwaysUpdateOnActive = false |
| ) { |
| |
| /** |
| * Get all of the preinstalled packages in the system for this user |
| */ |
| override suspend fun loadDataAndPostValue(job: Job) { |
| if (job.isCancelled) { |
| return |
| } |
| val packageInfos = app.applicationContext.packageManager |
| .getInstalledPackagesAsUser(GET_PERMISSIONS or MATCH_UNINSTALLED_PACKAGES |
| or MATCH_FACTORY_ONLY, user.identifier) |
| postValue(packageInfos.map { packageInfo -> LightPackageInfo(packageInfo) }) |
| } |
| |
| override fun onActive() { |
| super.onActive() |
| |
| // Data never changes, hence no need to reload |
| if (value == null) { |
| updateAsync() |
| } |
| } |
| |
| /** |
| * Repository for PreinstalledUserPackageInfosLiveData. |
| * |
| * <p>Key value is a UserHandle, value is its corresponding LiveData. |
| */ |
| companion object : DataRepository<UserHandle, PreinstalledUserPackageInfosLiveData>() { |
| override fun newValue(key: UserHandle): PreinstalledUserPackageInfosLiveData { |
| return PreinstalledUserPackageInfosLiveData(PermissionControllerApplication.get(), key) |
| } |
| } |
| } |