1 /* 2 * Copyright (C) 2014 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.settings; 18 19 import android.content.BroadcastReceiver; 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.content.pm.ShortcutInfo; 26 import android.content.pm.ShortcutManager; 27 import android.content.pm.UserInfo; 28 import android.os.UserHandle; 29 import android.os.UserManager; 30 import android.support.annotation.VisibleForTesting; 31 import android.util.Log; 32 33 import java.util.ArrayList; 34 import java.util.List; 35 36 import static android.content.pm.PackageManager.GET_ACTIVITIES; 37 import static android.content.pm.PackageManager.GET_META_DATA; 38 import static android.content.pm.PackageManager.GET_RESOLVED_FILTER; 39 import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 40 41 import com.android.settings.shortcut.CreateShortcut; 42 43 /** 44 * Listens to {@link Intent.ACTION_PRE_BOOT_COMPLETED} and {@link Intent.ACTION_USER_INITIALIZED} 45 * performs setup steps for a managed profile (disables the launcher icon of the Settings app, 46 * adds cross-profile intent filters for the appropriate Settings activities), disables the 47 * webview setting for non-admin users, and updates the intent flags for any existing shortcuts. 48 */ 49 public class SettingsInitialize extends BroadcastReceiver { 50 private static final String TAG = "Settings"; 51 private static final String PRIMARY_PROFILE_SETTING = 52 "com.android.settings.PRIMARY_PROFILE_CONTROLLED"; 53 private static final String SETTINGS_PACKAGE = "com.android.settings"; 54 private static final String WEBVIEW_IMPLEMENTATION_ACTIVITY = ".WebViewImplementation"; 55 56 @Override 57 public void onReceive(Context context, Intent broadcast) { 58 final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE); 59 UserInfo userInfo = um.getUserInfo(UserHandle.myUserId()); 60 final PackageManager pm = context.getPackageManager(); 61 managedProfileSetup(context, pm, broadcast, userInfo); 62 webviewSettingSetup(context, pm, userInfo); 63 refreshExistingShortcuts(context); 64 } 65 66 private void managedProfileSetup(Context context, final PackageManager pm, Intent broadcast, 67 UserInfo userInfo) { 68 if (userInfo == null || !userInfo.isManagedProfile()) { 69 return; 70 } 71 Log.i(TAG, "Received broadcast: " + broadcast.getAction() 72 + ". Setting up intent forwarding for managed profile."); 73 // Clear any previous intent forwarding we set up 74 pm.clearCrossProfileIntentFilters(userInfo.id); 75 76 // Set up intent forwarding for implicit intents 77 Intent intent = new Intent(); 78 intent.addCategory(Intent.CATEGORY_DEFAULT); 79 intent.setPackage(context.getPackageName()); 80 81 // Resolves activities for the managed profile (which we're running as) 82 List<ResolveInfo> resolvedIntents = pm.queryIntentActivities(intent, 83 GET_ACTIVITIES | GET_META_DATA | GET_RESOLVED_FILTER | MATCH_DISABLED_COMPONENTS); 84 final int count = resolvedIntents.size(); 85 for (int i = 0; i < count; i++) { 86 ResolveInfo info = resolvedIntents.get(i); 87 if (info.filter != null && info.activityInfo != null 88 && info.activityInfo.metaData != null) { 89 boolean shouldForward = info.activityInfo.metaData.getBoolean( 90 PRIMARY_PROFILE_SETTING); 91 if (shouldForward) { 92 pm.addCrossProfileIntentFilter(info.filter, userInfo.id, 93 userInfo.profileGroupId, PackageManager.SKIP_CURRENT_PROFILE); 94 } 95 } 96 } 97 98 // Disable launcher icon 99 ComponentName settingsComponentName = new ComponentName(context, Settings.class); 100 pm.setComponentEnabledSetting(settingsComponentName, 101 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP); 102 // Disable shortcut picker. 103 ComponentName shortcutComponentName = new ComponentName(context, CreateShortcut.class); 104 pm.setComponentEnabledSetting(shortcutComponentName, 105 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP); 106 } 107 108 // Disable WebView Setting if the current user is not an admin 109 private void webviewSettingSetup(Context context, PackageManager pm, UserInfo userInfo) { 110 if (userInfo == null) { 111 return; 112 } 113 ComponentName settingsComponentName = 114 new ComponentName(SETTINGS_PACKAGE, SETTINGS_PACKAGE + WEBVIEW_IMPLEMENTATION_ACTIVITY); 115 pm.setComponentEnabledSetting(settingsComponentName, 116 userInfo.isAdmin() ? 117 PackageManager.COMPONENT_ENABLED_STATE_ENABLED : 118 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 119 PackageManager.DONT_KILL_APP); 120 } 121 122 // Refresh settings shortcuts to have correct intent flags 123 @VisibleForTesting 124 void refreshExistingShortcuts(Context context) { 125 final ShortcutManager shortcutManager = context.getSystemService(ShortcutManager.class); 126 final List<ShortcutInfo> pinnedShortcuts = shortcutManager.getPinnedShortcuts(); 127 final List<ShortcutInfo> updates = new ArrayList<>(); 128 for (ShortcutInfo info : pinnedShortcuts) { 129 final Intent shortcutIntent = info.getIntent(); 130 shortcutIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP); 131 final ShortcutInfo updatedInfo = new ShortcutInfo.Builder(context, info.getId()) 132 .setIntent(shortcutIntent) 133 .build(); 134 updates.add(updatedInfo); 135 } 136 shortcutManager.updateShortcuts(updates); 137 } 138 139 } 140