1 /* 2 * Copyright (C) 2020 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 18 19 import android.content.pm.PackageManager 20 import com.android.permissioncontroller.PermissionControllerApplication 21 import com.android.permissioncontroller.permission.utils.Utils 22 import kotlinx.coroutines.Job 23 24 /** 25 * LiveData for a map of background permission name -> list of foreground permission names for every 26 * installed, runtime permission in every platform permission group. This LiveData's value is 27 * static, since the background/foreground permission relationships are defined by the system. 28 */ 29 object ForegroundPermNamesLiveData : SmartAsyncMediatorLiveData<Map<String, List<String>>>(true) { 30 private val app = PermissionControllerApplication.get() 31 32 // Since the value will be static, initialize the value upon creating the LiveData. 33 init { 34 onUpdate() 35 } 36 loadDataAndPostValuenull37 override suspend fun loadDataAndPostValue(job: Job) { 38 val systemGroups = Utils.getPlatformPermissionGroups() 39 val permMap = mutableMapOf<String, MutableList<String>>() 40 for (groupName in systemGroups) { 41 val permInfos = try { 42 Utils.getInstalledRuntimePermissionInfosForGroup(app.packageManager, groupName) 43 } catch (e: PackageManager.NameNotFoundException) { 44 continue 45 } 46 for (permInfo in permInfos) { 47 val backgroundPerm: String? = permInfo.backgroundPermission 48 if (backgroundPerm != null) { 49 val foregroundPerms = permMap.getOrPut(backgroundPerm) { mutableListOf() } 50 foregroundPerms.add(permInfo.name) 51 } 52 } 53 } 54 postValue(permMap) 55 } 56 }