Tony Huang | c39b0b2 | 2019-06-10 16:55:20 +0800 | [diff] [blame] | 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 |
| 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 | |
| 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 | } |