| /* |
| * 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.PackageItemInfo |
| import android.content.pm.PackageManager |
| import android.content.pm.PermissionGroupInfo |
| import android.content.pm.PermissionInfo |
| import android.os.UserHandle |
| import android.util.Log |
| import com.android.permissioncontroller.PermissionControllerApplication |
| import com.android.permissioncontroller.permission.model.livedatatypes.LightPermGroupInfo |
| import com.android.permissioncontroller.permission.model.livedatatypes.LightPermInfo |
| import com.android.permissioncontroller.permission.model.livedatatypes.PermGroup |
| import com.android.permissioncontroller.permission.utils.Utils |
| |
| /** |
| * LiveData for a Permission Group. Contains GroupInfo and a list of PermissionInfos. Loads |
| * synchronously. |
| * |
| * @param app The current application |
| * @param groupName The name of the permission group this LiveData represents |
| */ |
| class PermGroupLiveData private constructor( |
| private val app: Application, |
| private val groupName: String |
| ) : SmartUpdateMediatorLiveData<PermGroup>(), |
| PackageBroadcastReceiver.PackageBroadcastListener { |
| |
| private val LOG_TAG = this::class.java.simpleName |
| |
| private val context = app.applicationContext!! |
| |
| /** |
| * Map<packageName, LiveData<PackageInfo>> |
| */ |
| private val packageLiveDatas = mutableMapOf<String, LightPackageInfoLiveData>() |
| |
| private lateinit var groupInfo: PackageItemInfo |
| |
| /** |
| * Called when a package is installed, changed, or removed. |
| * |
| * @param packageName the package which was added or changed |
| */ |
| override fun onPackageUpdate(packageName: String) { |
| update() |
| } |
| |
| /** |
| * Initializes this permission group from scratch. Resets the groupInfo, PermissionInfos, and |
| * PackageInfoLiveDatas, then re-adds them. |
| */ |
| override fun onUpdate() { |
| val permissionInfos = mutableMapOf<String, LightPermInfo>() |
| |
| groupInfo = Utils.getGroupInfo(groupName, context) ?: run { |
| Log.e(LOG_TAG, "Invalid permission group $groupName") |
| invalidateSingle(groupName) |
| value = null |
| return |
| } |
| |
| when (groupInfo) { |
| is PermissionGroupInfo -> { |
| val permInfos = try { |
| Utils.getInstalledRuntimePermissionInfosForGroup(context.packageManager, |
| groupName) |
| } catch (e: PackageManager.NameNotFoundException) { |
| Log.e(LOG_TAG, "Invalid permission group $groupName") |
| invalidateSingle(groupName) |
| value = null |
| return |
| } |
| |
| for (permInfo in permInfos) { |
| permissionInfos[permInfo.name] = LightPermInfo(permInfo) |
| } |
| } |
| is PermissionInfo -> { |
| permissionInfos[groupInfo.name] = LightPermInfo(groupInfo as PermissionInfo) |
| } |
| else -> return |
| } |
| |
| val permGroup = PermGroup(LightPermGroupInfo(groupInfo), permissionInfos) |
| |
| value = permGroup |
| |
| val packageNames = permissionInfos.values.map { permInfo -> permInfo.packageName } |
| .toMutableSet() |
| packageNames.add(groupInfo.packageName) |
| |
| // TODO ntmyren: What if the package isn't installed for the system user? |
| val getLiveData = { packageName: String -> |
| LightPackageInfoLiveData[packageName, UserHandle.SYSTEM] |
| } |
| setSourcesToDifference(packageNames, packageLiveDatas, getLiveData) |
| } |
| |
| override fun onInactive() { |
| super.onInactive() |
| |
| PackageBroadcastReceiver.removeAllCallback(this) |
| } |
| |
| /** |
| * Load data, and register a package change listener. We must watch for package changes, |
| * because there is currently no listener for permission changes. |
| */ |
| override fun onActive() { |
| update() |
| |
| super.onActive() |
| |
| PackageBroadcastReceiver.addAllCallback(this) |
| } |
| |
| /** |
| * Repository for PermGroupLiveDatas. |
| * <p> Key value is a string permission group name, value is its corresponding LiveData. |
| */ |
| companion object : DataRepository<String, PermGroupLiveData>() { |
| override fun newValue(key: String): PermGroupLiveData { |
| return PermGroupLiveData(PermissionControllerApplication.get(), key) |
| } |
| } |
| } |