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.car.settings.applications.managedomainurls; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.content.pm.PackageManager; 22 import android.hardware.usb.IUsbManager; 23 import android.os.IBinder; 24 import android.os.RemoteException; 25 import android.os.ServiceManager; 26 27 import androidx.preference.Preference; 28 29 import com.android.car.settings.R; 30 import com.android.car.settings.common.FragmentController; 31 import com.android.car.settings.common.Logger; 32 import com.android.settingslib.applications.AppUtils; 33 34 /** 35 * Business logic to reset a user preference for auto launching an app. 36 * 37 * <p>i.e. if a user has both NavigationAppA and NavigationAppB installed and NavigationAppA is set 38 * as the default navigation app, the user can reset that preference to pick a different default 39 * navigation app. 40 */ 41 public class ClearDefaultsPreferenceController extends 42 AppLaunchSettingsBasePreferenceController<Preference> { 43 44 private static final Logger LOG = new Logger(ClearDefaultsPreferenceController.class); 45 46 private final IUsbManager mUsbManager; 47 private final PackageManager mPm; 48 ClearDefaultsPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)49 public ClearDefaultsPreferenceController(Context context, String preferenceKey, 50 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 51 super(context, preferenceKey, fragmentController, uxRestrictions); 52 IBinder b = ServiceManager.getService(Context.USB_SERVICE); 53 mUsbManager = IUsbManager.Stub.asInterface(b); 54 mPm = context.getPackageManager(); 55 } 56 57 @Override getPreferenceType()58 protected Class<Preference> getPreferenceType() { 59 return Preference.class; 60 } 61 62 @Override updateState(Preference preference)63 protected void updateState(Preference preference) { 64 boolean autoLaunchEnabled = AppUtils.hasPreferredActivities(mPm, getPackageName()) 65 || isDefaultBrowser(getPackageName()) 66 || hasUsbDefaults(mUsbManager, getPackageName()); 67 68 preference.setEnabled(autoLaunchEnabled); 69 if (autoLaunchEnabled) { 70 preference.setTitle(R.string.auto_launch_reset_text); 71 preference.setSummary(R.string.auto_launch_enable_text); 72 } else { 73 preference.setTitle(R.string.auto_launch_disable_text); 74 preference.setSummary(null); 75 } 76 } 77 78 @Override handlePreferenceClicked(Preference preference)79 protected boolean handlePreferenceClicked(Preference preference) { 80 if (mUsbManager != null) { 81 int userId = getCurrentUserId(); 82 mPm.clearPackagePreferredActivities(getPackageName()); 83 if (isDefaultBrowser(getPackageName())) { 84 mPm.setDefaultBrowserPackageNameAsUser(/* packageName= */ null, userId); 85 } 86 try { 87 mUsbManager.clearDefaults(getPackageName(), userId); 88 } catch (RemoteException e) { 89 LOG.e("mUsbManager.clearDefaults", e); 90 } 91 refreshUi(); 92 } 93 return true; 94 } 95 isDefaultBrowser(String packageName)96 private boolean isDefaultBrowser(String packageName) { 97 String defaultBrowser = mPm.getDefaultBrowserPackageNameAsUser(getCurrentUserId()); 98 return packageName.equals(defaultBrowser); 99 } 100 hasUsbDefaults(IUsbManager usbManager, String packageName)101 private boolean hasUsbDefaults(IUsbManager usbManager, String packageName) { 102 try { 103 if (usbManager != null) { 104 return usbManager.hasDefaults(packageName, getCurrentUserId()); 105 } 106 } catch (RemoteException e) { 107 LOG.e("mUsbManager.hasDefaults", e); 108 } 109 return false; 110 } 111 } 112