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.multiuser.Flags; 21 import android.os.UserHandle; 22 import android.os.UserManager; 23 import android.provider.Settings; 24 import android.util.Log; 25 26 import androidx.annotation.VisibleForTesting; 27 28 import com.android.settings.widget.SwitchWidgetController; 29 import com.android.settingslib.RestrictedLockUtils; 30 import com.android.settingslib.RestrictedLockUtilsInternal; 31 import com.android.settingslib.core.lifecycle.LifecycleObserver; 32 import com.android.settingslib.core.lifecycle.events.OnStart; 33 import com.android.settingslib.core.lifecycle.events.OnStop; 34 35 public class MultiUserSwitchBarController implements SwitchWidgetController.OnSwitchChangeListener, 36 LifecycleObserver, OnStart, OnStop { 37 private static final String TAG = "MultiUserSwitchBarCtrl"; 38 39 interface OnMultiUserSwitchChangedListener { onMultiUserSwitchChanged(boolean newState)40 void onMultiUserSwitchChanged(boolean newState); 41 } 42 @VisibleForTesting 43 final SwitchWidgetController mSwitchBar; 44 45 private final Context mContext; 46 private final UserCapabilities mUserCapabilities; 47 private final OnMultiUserSwitchChangedListener mListener; 48 49 MultiUserSwitchBarController(Context context, SwitchWidgetController switchBar, OnMultiUserSwitchChangedListener listener)50 MultiUserSwitchBarController(Context context, SwitchWidgetController switchBar, 51 OnMultiUserSwitchChangedListener listener) { 52 mContext = context; 53 mSwitchBar = switchBar; 54 mListener = listener; 55 mUserCapabilities = UserCapabilities.create(context); 56 updateState(); 57 mSwitchBar.setListener(this); 58 } 59 updateState()60 void updateState() { 61 mUserCapabilities.updateAddUserCapabilities(mContext); 62 mSwitchBar.setChecked(mUserCapabilities.mUserSwitcherEnabled); 63 64 if (Flags.fixDisablingOfMuToggleWhenRestrictionApplied()) { 65 RestrictedLockUtils.EnforcedAdmin enforcedAdmin = RestrictedLockUtilsInternal 66 .checkIfRestrictionEnforced(mContext, UserManager.DISALLOW_USER_SWITCH, 67 UserHandle.myUserId()); 68 if (enforcedAdmin != null) { 69 mSwitchBar.setDisabledByAdmin(enforcedAdmin); 70 } else { 71 mSwitchBar.setEnabled(mUserCapabilities.mIsMain 72 && !mUserCapabilities.mDisallowSwitchUser); 73 } 74 } else { 75 if (mUserCapabilities.mDisallowSwitchUser) { 76 mSwitchBar.setDisabledByAdmin(RestrictedLockUtilsInternal 77 .checkIfRestrictionEnforced(mContext, UserManager.DISALLOW_USER_SWITCH, 78 UserHandle.myUserId())); 79 } else { 80 mSwitchBar.setEnabled(mUserCapabilities.mIsMain); 81 } 82 } 83 } 84 85 @Override onStart()86 public void onStart() { 87 mSwitchBar.startListening(); 88 } 89 90 @Override onStop()91 public void onStop() { 92 mSwitchBar.stopListening(); 93 } 94 95 @Override onSwitchToggled(boolean isChecked)96 public boolean onSwitchToggled(boolean isChecked) { 97 Log.d(TAG, "Toggling multi-user feature enabled state to: " + isChecked); 98 final boolean success = Settings.Global.putInt(mContext.getContentResolver(), 99 Settings.Global.USER_SWITCHER_ENABLED, isChecked ? 1 : 0); 100 if (success && mListener != null && !Flags.newMultiuserSettingsUx()) { 101 mListener.onMultiUserSwitchChanged(isChecked); 102 } 103 return success; 104 } 105 } 106