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.app.admin.DevicePolicyManager; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.view.View; 25 import android.widget.Button; 26 27 import androidx.annotation.NonNull; 28 import androidx.preference.Preference; 29 30 import com.android.settings.R; 31 import com.android.settings.core.BasePreferenceController; 32 import com.android.settings.flags.Flags; 33 import com.android.settings.password.ChooseLockSettingsHelper; 34 import com.android.settingslib.RestrictedLockUtilsInternal; 35 import com.android.settingslib.widget.LayoutPreference; 36 37 import com.google.android.setupdesign.util.ButtonStyler; 38 import com.google.android.setupdesign.util.PartnerStyleHelper; 39 40 /** 41 * Preference controller that allows a user to enroll their face. 42 */ 43 public class FaceSettingsEnrollButtonPreferenceController extends BasePreferenceController 44 implements View.OnClickListener, Preference.OnPreferenceClickListener { 45 46 private static final String TAG = "FaceSettings/Remove"; 47 static final String KEY = "security_settings_face_enroll_faces_container"; 48 static final String KEY_1 = "security_settings_face_enroll"; 49 50 private final Context mContext; 51 52 private int mUserId; 53 private byte[] mToken; 54 private Button mButton; 55 private boolean mIsClicked; 56 private Listener mListener; 57 FaceSettingsEnrollButtonPreferenceController(Context context)58 public FaceSettingsEnrollButtonPreferenceController(Context context) { 59 this(context, Flags.biometricsOnboardingEducation() ? KEY_1 : KEY); 60 } 61 FaceSettingsEnrollButtonPreferenceController(Context context, String preferenceKey)62 public FaceSettingsEnrollButtonPreferenceController(Context context, String preferenceKey) { 63 super(context, preferenceKey); 64 mContext = context; 65 } 66 67 @Override updateState(@onNull Preference preference)68 public void updateState(@NonNull Preference preference) { 69 super.updateState(preference); 70 final boolean isDeviceOwnerBlockingAuth = 71 RestrictedLockUtilsInternal.checkIfKeyguardFeaturesDisabled( 72 mContext, DevicePolicyManager.KEYGUARD_DISABLE_FACE, mUserId) != null; 73 74 if (Flags.biometricsOnboardingEducation()) { 75 preference.setEnabled(!isDeviceOwnerBlockingAuth); 76 } else { 77 mButton = ((LayoutPreference) preference).findViewById( 78 R.id.security_settings_face_settings_enroll_button); 79 80 if (PartnerStyleHelper.shouldApplyPartnerResource(mButton)) { 81 ButtonStyler.applyPartnerCustomizationPrimaryButtonStyle(mContext, mButton); 82 } 83 84 mButton.setOnClickListener(this); 85 mButton.setEnabled(!isDeviceOwnerBlockingAuth); 86 } 87 } 88 89 @Override onClick(View v)90 public void onClick(View v) { 91 startEnrolling(); 92 } 93 94 @Override onPreferenceClick(@onNull Preference preference)95 public boolean onPreferenceClick(@NonNull Preference preference) { 96 startEnrolling(); 97 return true; 98 } 99 startEnrolling()100 private void startEnrolling() { 101 mIsClicked = true; 102 final Intent intent = new Intent(); 103 intent.setClassName(SETTINGS_PACKAGE_NAME, FaceEnroll.class.getName()); 104 intent.putExtra(Intent.EXTRA_USER_ID, mUserId); 105 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken); 106 if (mListener != null) { 107 mListener.onStartEnrolling(intent); 108 } else { 109 mContext.startActivity(intent); 110 } 111 } 112 113 @Override getAvailabilityStatus()114 public int getAvailabilityStatus() { 115 return AVAILABLE; 116 } 117 setUserId(int userId)118 public void setUserId(int userId) { 119 mUserId = userId; 120 } 121 setToken(byte[] token)122 public void setToken(byte[] token) { 123 mToken = token; 124 } 125 126 // Return the click state, then clear its state. isClicked()127 public boolean isClicked() { 128 final boolean wasClicked = mIsClicked; 129 mIsClicked = false; 130 return wasClicked; 131 } 132 setListener(Listener listener)133 public void setListener(Listener listener) { 134 mListener = listener; 135 } 136 137 /** 138 * Interface for registering callbacks related to the face enroll preference button. 139 */ 140 public interface Listener { 141 /** 142 * Called when the user has indicated an intent to begin enrolling a new face. 143 * @param intent The Intent that should be used to launch face enrollment. 144 */ onStartEnrolling(Intent intent)145 void onStartEnrolling(Intent intent); 146 } 147 } 148