1 /* 2 * Copyright (C) 2018 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.users; 18 19 import android.content.Context; 20 import android.os.UserHandle; 21 import android.os.UserManager; 22 import android.provider.Settings; 23 import android.util.Log; 24 25 import androidx.annotation.VisibleForTesting; 26 27 import com.android.settings.widget.SwitchWidgetController; 28 import com.android.settingslib.RestrictedLockUtilsInternal; 29 import com.android.settingslib.core.lifecycle.LifecycleObserver; 30 import com.android.settingslib.core.lifecycle.events.OnStart; 31 import com.android.settingslib.core.lifecycle.events.OnStop; 32 33 public class MultiUserSwitchBarController implements SwitchWidgetController.OnSwitchChangeListener, 34 LifecycleObserver, OnStart, OnStop { 35 private static final String TAG = "MultiUserSwitchBarCtrl"; 36 37 interface OnMultiUserSwitchChangedListener { onMultiUserSwitchChanged(boolean newState)38 void onMultiUserSwitchChanged(boolean newState); 39 } 40 @VisibleForTesting 41 final SwitchWidgetController mSwitchBar; 42 43 private final Context mContext; 44 private final UserCapabilities mUserCapabilities; 45 private final OnMultiUserSwitchChangedListener mListener; 46 47 MultiUserSwitchBarController(Context context, SwitchWidgetController switchBar, OnMultiUserSwitchChangedListener listener)48 MultiUserSwitchBarController(Context context, SwitchWidgetController switchBar, 49 OnMultiUserSwitchChangedListener listener) { 50 mContext = context; 51 mSwitchBar = switchBar; 52 mListener = listener; 53 mUserCapabilities = UserCapabilities.create(context); 54 mSwitchBar.setChecked(mUserCapabilities.mUserSwitcherEnabled); 55 56 if (mUserCapabilities.mDisallowSwitchUser) { 57 mSwitchBar.setDisabledByAdmin(RestrictedLockUtilsInternal 58 .checkIfRestrictionEnforced(mContext, UserManager.DISALLOW_USER_SWITCH, 59 UserHandle.myUserId())); 60 } else { 61 mSwitchBar.setEnabled(!mUserCapabilities.mDisallowSwitchUser 62 && !mUserCapabilities.mIsGuest && mUserCapabilities.isAdmin()); 63 } 64 mSwitchBar.setListener(this); 65 } 66 67 @Override onStart()68 public void onStart() { 69 mSwitchBar.startListening(); 70 } 71 72 @Override onStop()73 public void onStop() { 74 mSwitchBar.stopListening(); 75 } 76 77 @Override onSwitchToggled(boolean isChecked)78 public boolean onSwitchToggled(boolean isChecked) { 79 Log.d(TAG, "Toggling multi-user feature enabled state to: " + isChecked); 80 final boolean success = Settings.Global.putInt(mContext.getContentResolver(), 81 Settings.Global.USER_SWITCHER_ENABLED, isChecked ? 1 : 0); 82 if (success && mListener != null) { 83 mListener.onMultiUserSwitchChanged(isChecked); 84 } 85 return success; 86 } 87 } 88