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.MATCH_DIRECT_BOOT_AWARE 22 import android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE 23 import android.content.pm.PackageManager.FEATURE_LEANBACK 24 import com.android.permissioncontroller.PermissionControllerApplication 25 import kotlinx.coroutines.Job 26 27 /** 28 * A livedata which stores a list of package names of packages which have launcher icons. 29 */ 30 object LauncherPackagesLiveData : SmartAsyncMediatorLiveData<Set<String>>(), 31 PackageBroadcastReceiver.PackageBroadcastListener { 32 33 private val LAUNCHER_INTENT = Intent(Intent.ACTION_MAIN, null) 34 .addCategory(Intent.CATEGORY_LAUNCHER) 35 36 // On ATV some apps may have a leanback launcher icon but no regular launcher icon 37 private val LEANBACK_LAUNCHER_INTENT = Intent(Intent.ACTION_MAIN, null) 38 .addCategory(Intent.CATEGORY_LEANBACK_LAUNCHER) 39 loadDataAndPostValuenull40 override suspend fun loadDataAndPostValue(job: Job) { 41 val launcherPkgs = mutableSetOf<String>() 42 43 loadPkgsFromIntent(launcherPkgs, LAUNCHER_INTENT) 44 if (PermissionControllerApplication.get().packageManager 45 .hasSystemFeature(FEATURE_LEANBACK)) { 46 loadPkgsFromIntent(launcherPkgs, LEANBACK_LAUNCHER_INTENT) 47 } 48 postValue(launcherPkgs) 49 } 50 loadPkgsFromIntentnull51 private fun loadPkgsFromIntent(launcherPkgs: MutableSet<String>, intent: Intent) { 52 for (info in PermissionControllerApplication.get().packageManager.queryIntentActivities( 53 intent, MATCH_DIRECT_BOOT_AWARE or MATCH_DIRECT_BOOT_UNAWARE)) { 54 launcherPkgs.add(info.activityInfo.packageName) 55 } 56 } 57 onPackageUpdatenull58 override fun onPackageUpdate(packageName: String) { 59 update() 60 } 61 onActivenull62 override fun onActive() { 63 super.onActive() 64 update() 65 PackageBroadcastReceiver.addAllCallback(this) 66 } 67 onInactivenull68 override fun onInactive() { 69 super.onInactive() 70 PackageBroadcastReceiver.removeAllCallback(this) 71 } 72 }