1 /* 2 * Copyright (C) 2015 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.password; 18 19 import android.content.Intent; 20 import android.os.Bundle; 21 22 import androidx.fragment.app.Fragment; 23 24 /** 25 * An invisible retained fragment to track lock check result. 26 */ 27 public class CredentialCheckResultTracker extends Fragment { 28 29 private Listener mListener; 30 private boolean mHasResult = false; 31 32 private boolean mResultMatched; 33 private Intent mResultData; 34 private int mResultTimeoutMs; 35 private int mResultEffectiveUserId; 36 37 @Override onCreate(Bundle savedInstanceState)38 public void onCreate(Bundle savedInstanceState) { 39 super.onCreate(savedInstanceState); 40 setRetainInstance(true); 41 } 42 setListener(Listener listener)43 public void setListener(Listener listener) { 44 if (mListener == listener) { 45 return; 46 } 47 48 mListener = listener; 49 if (mListener != null && mHasResult) { 50 mListener.onCredentialChecked(mResultMatched, mResultData, mResultTimeoutMs, 51 mResultEffectiveUserId, false /* newResult */); 52 } 53 } 54 setResult(boolean matched, Intent intent, int timeoutMs, int effectiveUserId)55 public void setResult(boolean matched, Intent intent, int timeoutMs, int effectiveUserId) { 56 mResultMatched = matched; 57 mResultData = intent; 58 mResultTimeoutMs = timeoutMs; 59 mResultEffectiveUserId = effectiveUserId; 60 61 mHasResult = true; 62 if (mListener != null) { 63 mListener.onCredentialChecked(mResultMatched, mResultData, mResultTimeoutMs, 64 mResultEffectiveUserId, true /* newResult */); 65 mHasResult = false; 66 } 67 } 68 clearResult()69 public void clearResult() { 70 mHasResult = false; 71 mResultMatched = false; 72 mResultData = null; 73 mResultTimeoutMs = 0; 74 mResultEffectiveUserId = 0; 75 } 76 77 interface Listener { onCredentialChecked(boolean matched, Intent intent, int timeoutMs, int effectiveUserId, boolean newResult)78 public void onCredentialChecked(boolean matched, Intent intent, int timeoutMs, 79 int effectiveUserId, boolean newResult); 80 } 81 } 82