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.app.Application 20 import android.content.ComponentName 21 import android.os.UserHandle 22 import android.provider.Settings 23 import com.android.permissioncontroller.PermissionControllerApplication 24 import com.android.permissioncontroller.permission.utils.Utils 25 import kotlinx.coroutines.Job 26 27 /** 28 * A LiveData which tracks selected voice interaction service package 29 * 30 * @param app The current application 31 * @param user The user the services should be determined for 32 */ 33 class SelectedVoiceInteractionServiceLiveData( 34 private val app: Application, 35 private val user: UserHandle 36 ) : SmartAsyncMediatorLiveData<String?>() { 37 loadDataAndPostValuenull38 override suspend fun loadDataAndPostValue(job: Job) { 39 if (job.isCancelled) { 40 return 41 } 42 43 val packageName = Settings.Secure.getString( 44 Utils.getUserContext(app, user).contentResolver, 45 // Settings.Secure.VOICE_INTERACTION_SERVICE 46 "voice_interaction_service") 47 ?.let(ComponentName::unflattenFromString) 48 ?.packageName 49 50 postValue(packageName) 51 } 52 53 /** 54 * Repository for [SelectedVoiceInteractionServiceLiveData] 55 * 56 * <p> Key value is a user, value is its corresponding LiveData. 57 */ 58 companion object : DataRepositoryForPackage<UserHandle, 59 SelectedVoiceInteractionServiceLiveData>() { newValuenull60 override fun newValue(key: UserHandle): SelectedVoiceInteractionServiceLiveData { 61 return SelectedVoiceInteractionServiceLiveData( 62 PermissionControllerApplication.get(), key) 63 } 64 } 65 }