1 /* 2 * Copyright (C) 2019 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.documentsui; 18 19 import static com.android.documentsui.base.SharedMinimal.DEBUG; 20 21 import android.content.BroadcastReceiver; 22 import android.content.ComponentName; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.content.om.OverlayInfo; 26 import android.content.om.OverlayManager; 27 import android.content.pm.PackageManager; 28 import android.content.res.Resources; 29 import android.util.Log; 30 31 import com.android.documentsui.theme.ThemeOverlayManager; 32 33 /** 34 * A receiver listening action.PRE_BOOT_COMPLETED event for setting component enable or disable. 35 * Since there's limitation of overlay AndroidManifest.xml attrs at boot stage. 36 * The workaround to retrieve config from DocumentsUI RRO package at boot time in Q. 37 */ 38 public class PreBootReceiver extends BroadcastReceiver { 39 40 private static final String TAG = "PreBootReceiver"; 41 private static final String CONFIG_IS_LAUNCHER_ENABLED = "is_launcher_enabled"; 42 private static final String CONFIG_HANDLE_VIEW_DOWNLOADS = "handle_view_downloads_intent"; 43 private static final String LAUNCHER_TARGET_CLASS = "com.android.documentsui.LauncherActivity"; 44 private static final String DOWNLOADS_TARGET_CLASS = 45 "com.android.documentsui.ViewDownloadsActivity"; 46 47 @Override onReceive(Context context, Intent intent)48 public void onReceive(Context context, Intent intent) { 49 final PackageManager pm = context.getPackageManager(); 50 if (pm == null) { 51 Log.w(TAG, "Can't obtain PackageManager from System Service!"); 52 return; 53 } 54 55 final OverlayManager om = context.getSystemService(OverlayManager.class); 56 if (om == null) { 57 Log.w(TAG, "Can't obtain OverlayManager from System Service!"); 58 return; 59 } 60 61 final OverlayInfo info = new ThemeOverlayManager(om, 62 context.getPackageName()).getValidOverlay(pm); 63 64 if (info == null) { 65 Log.w(TAG, "Can't get valid overlay info"); 66 return; 67 } 68 69 final String overlayPkg = info.getPackageName(); 70 final String packageName = context.getPackageName(); 71 72 Resources overlayRes; 73 try { 74 overlayRes = pm.getResourcesForApplication(overlayPkg); 75 } catch (PackageManager.NameNotFoundException e) { 76 Log.w(TAG, "Failed while parse package res."); 77 overlayRes = null; 78 } 79 if (overlayRes == null) { 80 return; 81 } 82 83 setComponentEnabledByConfigResources(pm, packageName, LAUNCHER_TARGET_CLASS, 84 overlayPkg, overlayRes, CONFIG_IS_LAUNCHER_ENABLED); 85 setComponentEnabledByConfigResources(pm, packageName, DOWNLOADS_TARGET_CLASS, 86 overlayPkg, overlayRes, CONFIG_HANDLE_VIEW_DOWNLOADS); 87 } 88 setComponentEnabledByConfigResources(PackageManager pm, String packageName, String className, String overlayPkg, Resources overlayRes, String config)89 private static void setComponentEnabledByConfigResources(PackageManager pm, String packageName, 90 String className, String overlayPkg, Resources overlayRes, String config) { 91 int resId = overlayRes.getIdentifier(config, "bool", overlayPkg); 92 if (resId != 0) { 93 final ComponentName component = new ComponentName(packageName, className); 94 final boolean value = overlayRes.getBoolean(resId); 95 if (DEBUG) { 96 Log.i(TAG, "Overlay package:" + overlayPkg + ", customize " + config + ":" + value); 97 } 98 pm.setComponentEnabledSetting(component, value 99 ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED 100 : PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 101 PackageManager.DONT_KILL_APP); 102 } 103 } 104 } 105