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 @file:Suppress("DEPRECATION") 17 18 package com.android.permissioncontroller.permission.data 19 20 import android.content.Intent 21 import android.content.pm.PackageManager.FEATURE_LEANBACK 22 import android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE 23 import android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE 24 import com.android.permissioncontroller.PermissionControllerApplication 25 import kotlinx.coroutines.Job 26 27 /** A livedata which stores a list of package names of packages which have launcher icons. */ 28 object LauncherPackagesLiveData : 29 SmartAsyncMediatorLiveData<Set<String>>(), PackageBroadcastReceiver.PackageBroadcastListener { 30 31 private val LAUNCHER_INTENT = 32 Intent(Intent.ACTION_MAIN, null).addCategory(Intent.CATEGORY_LAUNCHER) 33 34 // On ATV some apps may have a leanback launcher icon but no regular launcher icon 35 private val LEANBACK_LAUNCHER_INTENT = 36 Intent(Intent.ACTION_MAIN, null).addCategory(Intent.CATEGORY_LEANBACK_LAUNCHER) 37 loadDataAndPostValuenull38 override suspend fun loadDataAndPostValue(job: Job) { 39 val launcherPkgs = mutableSetOf<String>() 40 41 loadPkgsFromIntent(launcherPkgs, LAUNCHER_INTENT) 42 if ( 43 PermissionControllerApplication.get().packageManager.hasSystemFeature(FEATURE_LEANBACK) 44 ) { 45 loadPkgsFromIntent(launcherPkgs, LEANBACK_LAUNCHER_INTENT) 46 } 47 postValue(launcherPkgs) 48 } 49 loadPkgsFromIntentnull50 private fun loadPkgsFromIntent(launcherPkgs: MutableSet<String>, intent: Intent) { 51 for (info in 52 PermissionControllerApplication.get() 53 .packageManager 54 .queryIntentActivities( 55 intent, 56 MATCH_DIRECT_BOOT_AWARE or MATCH_DIRECT_BOOT_UNAWARE 57 )) { 58 launcherPkgs.add(info.activityInfo.packageName) 59 } 60 } 61 onPackageUpdatenull62 override fun onPackageUpdate(packageName: String) { 63 update() 64 } 65 onActivenull66 override fun onActive() { 67 super.onActive() 68 update() 69 PackageBroadcastReceiver.addAllCallback(this) 70 } 71 onInactivenull72 override fun onInactive() { 73 super.onInactive() 74 PackageBroadcastReceiver.removeAllCallback(this) 75 } 76 } 77