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.settings.biometrics.face; 18 19 import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME; 20 21 import android.content.Context; 22 import android.content.Intent; 23 import android.view.View; 24 import android.widget.Button; 25 26 import androidx.preference.Preference; 27 28 import com.android.settings.R; 29 import com.android.settings.core.BasePreferenceController; 30 import com.android.settings.password.ChooseLockSettingsHelper; 31 import com.android.settingslib.widget.LayoutPreference; 32 33 import com.google.android.setupdesign.util.ButtonStyler; 34 import com.google.android.setupdesign.util.PartnerStyleHelper; 35 36 /** 37 * Preference controller that allows a user to enroll their face. 38 */ 39 public class FaceSettingsEnrollButtonPreferenceController extends BasePreferenceController 40 implements View.OnClickListener { 41 42 private static final String TAG = "FaceSettings/Remove"; 43 static final String KEY = "security_settings_face_enroll_faces_container"; 44 45 private final Context mContext; 46 47 private int mUserId; 48 private byte[] mToken; 49 private Button mButton; 50 private boolean mIsClicked; 51 private Listener mListener; 52 FaceSettingsEnrollButtonPreferenceController(Context context)53 public FaceSettingsEnrollButtonPreferenceController(Context context) { 54 this(context, KEY); 55 } 56 FaceSettingsEnrollButtonPreferenceController(Context context, String preferenceKey)57 public FaceSettingsEnrollButtonPreferenceController(Context context, String preferenceKey) { 58 super(context, preferenceKey); 59 mContext = context; 60 } 61 62 @Override updateState(Preference preference)63 public void updateState(Preference preference) { 64 super.updateState(preference); 65 66 mButton = ((LayoutPreference) preference).findViewById( 67 R.id.security_settings_face_settings_enroll_button); 68 69 if (PartnerStyleHelper.shouldApplyPartnerResource(mButton)) { 70 ButtonStyler.applyPartnerCustomizationPrimaryButtonStyle(mContext, mButton); 71 } 72 73 mButton.setOnClickListener(this); 74 } 75 76 @Override onClick(View v)77 public void onClick(View v) { 78 // If it's in multi window mode, do not start the introduction intent. 79 if (mListener != null && mListener.onShowSplitScreenDialog()) { 80 return; 81 } 82 83 mIsClicked = true; 84 final Intent intent = new Intent(); 85 intent.setClassName(SETTINGS_PACKAGE_NAME, FaceEnrollIntroduction.class.getName()); 86 intent.putExtra(Intent.EXTRA_USER_ID, mUserId); 87 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken); 88 if (mListener != null) { 89 mListener.onStartEnrolling(intent); 90 } else { 91 mContext.startActivity(intent); 92 } 93 } 94 95 @Override getAvailabilityStatus()96 public int getAvailabilityStatus() { 97 return AVAILABLE; 98 } 99 setUserId(int userId)100 public void setUserId(int userId) { 101 mUserId = userId; 102 } 103 setToken(byte[] token)104 public void setToken(byte[] token) { 105 mToken = token; 106 } 107 108 // Return the click state, then clear its state. isClicked()109 public boolean isClicked() { 110 final boolean wasClicked = mIsClicked; 111 mIsClicked = false; 112 return wasClicked; 113 } 114 setListener(Listener listener)115 public void setListener(Listener listener) { 116 mListener = listener; 117 } 118 119 /** 120 * Interface for registering callbacks related to the face enroll preference button. 121 */ 122 public interface Listener { 123 /** 124 * Called to check whether to show dialog in split screen mode 125 * @return Whether split screen warning dialog shown. 126 */ onShowSplitScreenDialog()127 boolean onShowSplitScreenDialog(); 128 129 /** 130 * Called when the user has indicated an intent to begin enrolling a new face. 131 * @param intent The Intent that should be used to launch face enrollment. 132 */ onStartEnrolling(Intent intent)133 void onStartEnrolling(Intent intent); 134 } 135 } 136