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.PermissionMapping 22 import com.android.permissioncontroller.permission.utils.Utils 23 import kotlinx.coroutines.Job 24 25 /** 26 * LiveData for a map of background permission name -> list of foreground permission names for every 27 * installed, runtime permission in every platform permission group. This LiveData's value is 28 * static, since the background/foreground permission relationships are defined by the system. 29 */ 30 object ForegroundPermNamesLiveData : SmartAsyncMediatorLiveData<Map<String, List<String>>>(true) { 31 private val app = PermissionControllerApplication.get() 32 33 // Since the value will be static, initialize the value upon creating the LiveData. 34 init { 35 onUpdate() 36 } 37 loadDataAndPostValuenull38 override suspend fun loadDataAndPostValue(job: Job) { 39 val systemGroups = PermissionMapping.getPlatformPermissionGroups() 40 val permMap = mutableMapOf<String, MutableList<String>>() 41 for (groupName in systemGroups) { 42 val permInfos = try { 43 Utils.getInstalledRuntimePermissionInfosForGroup(app.packageManager, groupName) 44 } catch (e: PackageManager.NameNotFoundException) { 45 continue 46 } 47 for (permInfo in permInfos) { 48 val backgroundPerm: String? = permInfo.backgroundPermission 49 if (backgroundPerm != null) { 50 val foregroundPerms = permMap.getOrPut(backgroundPerm) { mutableListOf() } 51 foregroundPerms.add(permInfo.name) 52 } 53 } 54 } 55 postValue(permMap) 56 } 57 }