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.content.Intent 20 import android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE 21 import android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE 22 import android.content.pm.PackageManager.FEATURE_LEANBACK 23 import com.android.permissioncontroller.PermissionControllerApplication 24 import kotlinx.coroutines.Job 25 26 /** 27 * A livedata which stores a list of package names of packages which have launcher icons. 28 */ 29 object LauncherPackagesLiveData : SmartAsyncMediatorLiveData<Set<String>>(), 30 PackageBroadcastReceiver.PackageBroadcastListener { 31 32 private val LAUNCHER_INTENT = Intent(Intent.ACTION_MAIN, null) 33 .addCategory(Intent.CATEGORY_LAUNCHER) 34 35 // On ATV some apps may have a leanback launcher icon but no regular launcher icon 36 private val LEANBACK_LAUNCHER_INTENT = Intent(Intent.ACTION_MAIN, null) 37 .addCategory(Intent.CATEGORY_LEANBACK_LAUNCHER) 38 loadDataAndPostValuenull39 override suspend fun loadDataAndPostValue(job: Job) { 40 val launcherPkgs = mutableSetOf<String>() 41 42 loadPkgsFromIntent(launcherPkgs, LAUNCHER_INTENT) 43 if (PermissionControllerApplication.get().packageManager 44 .hasSystemFeature(FEATURE_LEANBACK)) { 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 PermissionControllerApplication.get().packageManager.queryIntentActivities( 52 intent, MATCH_DIRECT_BOOT_AWARE or MATCH_DIRECT_BOOT_UNAWARE)) { 53 launcherPkgs.add(info.activityInfo.packageName) 54 } 55 } 56 onPackageUpdatenull57 override fun onPackageUpdate(packageName: String) { 58 update() 59 } 60 onActivenull61 override fun onActive() { 62 super.onActive() 63 update() 64 PackageBroadcastReceiver.addAllCallback(this) 65 } 66 onInactivenull67 override fun onInactive() { 68 super.onInactive() 69 PackageBroadcastReceiver.removeAllCallback(this) 70 } 71 }