1 /* 2 * Copyright (C) 2016 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.display; 18 19 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 20 21 import android.app.Dialog; 22 import android.app.admin.DevicePolicyManager; 23 import android.content.Context; 24 import android.content.DialogInterface; 25 import android.util.AttributeSet; 26 import android.util.Log; 27 import android.view.View; 28 29 import androidx.appcompat.app.AlertDialog.Builder; 30 31 import com.android.settings.R; 32 import com.android.settings.RestrictedListPreference; 33 import com.android.settingslib.RestrictedLockUtils; 34 35 import java.util.ArrayList; 36 37 38 public class TimeoutListPreference extends RestrictedListPreference { 39 private static final String TAG = "TimeoutListPreference"; 40 private EnforcedAdmin mAdmin; 41 private final CharSequence[] mInitialEntries; 42 private final CharSequence[] mInitialValues; 43 TimeoutListPreference(Context context, AttributeSet attrs)44 public TimeoutListPreference(Context context, AttributeSet attrs) { 45 super(context, attrs); 46 mInitialEntries = getEntries(); 47 mInitialValues = getEntryValues(); 48 } 49 50 @Override onPrepareDialogBuilder(Builder builder, DialogInterface.OnClickListener listener)51 protected void onPrepareDialogBuilder(Builder builder, 52 DialogInterface.OnClickListener listener) { 53 super.onPrepareDialogBuilder(builder, listener); 54 if (mAdmin != null) { 55 builder.setView(R.layout.admin_disabled_other_options_footer); 56 } else { 57 builder.setView(null); 58 } 59 } 60 61 @Override onDialogCreated(Dialog dialog)62 protected void onDialogCreated(Dialog dialog) { 63 super.onDialogCreated(dialog); 64 dialog.create(); 65 if (mAdmin != null) { 66 View footerView = dialog.findViewById(R.id.admin_disabled_other_options); 67 footerView.findViewById(R.id.admin_more_details_link).setOnClickListener( 68 new View.OnClickListener() { 69 @Override 70 public void onClick(View view) { 71 RestrictedLockUtils.sendShowAdminSupportDetailsIntent( 72 getContext(), mAdmin); 73 } 74 }); 75 } 76 } 77 removeUnusableTimeouts(long maxTimeout, EnforcedAdmin admin)78 public void removeUnusableTimeouts(long maxTimeout, EnforcedAdmin admin) { 79 final DevicePolicyManager dpm = (DevicePolicyManager) getContext().getSystemService( 80 Context.DEVICE_POLICY_SERVICE); 81 if (dpm == null) { 82 return; 83 } 84 85 if (admin == null && mAdmin == null && !isDisabledByAdmin()) { 86 return; 87 } 88 if (admin == null) { 89 maxTimeout = Long.MAX_VALUE; 90 } 91 92 ArrayList<CharSequence> revisedEntries = new ArrayList<CharSequence>(); 93 ArrayList<CharSequence> revisedValues = new ArrayList<CharSequence>(); 94 for (int i = 0; i < mInitialValues.length; ++i) { 95 long timeout = Long.parseLong(mInitialValues[i].toString()); 96 if (timeout <= maxTimeout) { 97 revisedEntries.add(mInitialEntries[i]); 98 revisedValues.add(mInitialValues[i]); 99 } 100 } 101 102 // If there are no possible options for the user, then set this preference as disabled 103 // by admin, otherwise remove the padlock in case it was set earlier. 104 if (revisedValues.size() == 0) { 105 setDisabledByAdmin(admin); 106 return; 107 } else { 108 setDisabledByAdmin(null); 109 } 110 111 if (revisedEntries.size() != getEntries().length) { 112 final int userPreference = Integer.parseInt(getValue()); 113 setEntries(revisedEntries.toArray(new CharSequence[0])); 114 setEntryValues(revisedValues.toArray(new CharSequence[0])); 115 mAdmin = admin; 116 if (userPreference <= maxTimeout) { 117 setValue(String.valueOf(userPreference)); 118 } else if (revisedValues.size() > 0 119 && Long.parseLong(revisedValues.get(revisedValues.size() - 1).toString()) 120 == maxTimeout) { 121 // If the last one happens to be the same as the max timeout, select that 122 setValue(String.valueOf(maxTimeout)); 123 } else { 124 // The selected time out value is longer than the max timeout allowed by the admin. 125 // Select the largest value from the list by default. 126 Log.w(TAG, "Default to longest timeout. Value disabled by admin:" + userPreference); 127 setValue(revisedValues.get(revisedValues.size() - 1).toString()); 128 } 129 } 130 } 131 } 132