| /* |
| * Copyright (C) 2019 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.PermissionInfo |
| import android.util.Log |
| import com.android.permissioncontroller.PermissionControllerApplication |
| import com.android.permissioncontroller.permission.utils.Utils |
| |
| /** |
| * A class which tracks the names of all custom permission groups in the system, including |
| * non-grouped runtime permissions, the UNDEFINED group, and any group not defined by the system. |
| * |
| */ |
| object CustomPermGroupNamesLiveData : SmartUpdateMediatorLiveData<List<String>>() { |
| |
| private val app: Application = PermissionControllerApplication.get() |
| private val packagesLiveData = AllPackageInfosLiveData |
| |
| init { |
| // TODO ntmyren: remove once b/154796729 is fixed |
| Log.i("CustomPermGroupNames", "observing UserPackageInfoLiveData for all " + |
| "users in CustomPermGroupNamesLiveData") |
| addSource(packagesLiveData) { |
| updateIfActive() |
| } |
| } |
| |
| override fun onUpdate() { |
| val platformGroupNames = Utils.getPlatformPermissionGroups() |
| val groupNames = mutableListOf<String>() |
| |
| val allPackages = packagesLiveData.value ?: return |
| |
| for ((_, packageInfos) in allPackages) { |
| for (packageInfo in packageInfos) { |
| // Look for possible lone runtime permissions or custom groups |
| packageInfo.permissions.let { |
| for (permission in it) { |
| // We care only about installed runtime permissions. |
| if (permission.protection != PermissionInfo.PROTECTION_DANGEROUS || |
| permission.flags and PermissionInfo.FLAG_INSTALLED == 0) { |
| continue |
| } |
| |
| // If this permission is already in a group, no more work to do |
| if (groupNames.contains(permission.group) || |
| platformGroupNames.contains(permission.group) || |
| groupNames.contains(permission.name)) { |
| continue |
| } |
| |
| if (permission.group != null) { |
| groupNames.add(permission.group) |
| } else { |
| groupNames.add(permission.name) |
| } |
| } |
| } |
| } |
| } |
| value = groupNames |
| } |
| } |