| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.biometrics.sensors.face.aidl; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.hardware.biometrics.BiometricFaceConstants; |
| import android.hardware.biometrics.BiometricsProtoEnums; |
| import android.hardware.biometrics.face.IFace; |
| import android.hardware.biometrics.face.ISession; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.provider.Settings; |
| import android.util.Slog; |
| |
| import com.android.server.biometrics.BiometricsProto; |
| import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter; |
| import com.android.server.biometrics.sensors.ErrorConsumer; |
| import com.android.server.biometrics.sensors.HalClientMonitor; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Face-specific get feature client for the {@link IFace} AIDL HAL interface. |
| */ |
| public class FaceGetFeatureClient extends HalClientMonitor<ISession> implements ErrorConsumer { |
| |
| private static final String TAG = "FaceGetFeatureClient"; |
| |
| private final int mUserId; |
| |
| FaceGetFeatureClient(@NonNull Context context, @NonNull LazyDaemon<ISession> lazyDaemon, |
| @NonNull IBinder token, @Nullable ClientMonitorCallbackConverter listener, int userId, |
| @NonNull String owner, int sensorId) { |
| super(context, lazyDaemon, token, listener, userId, owner, 0 /* cookie */, sensorId, |
| BiometricsProtoEnums.MODALITY_UNKNOWN, BiometricsProtoEnums.ACTION_UNKNOWN, |
| BiometricsProtoEnums.CLIENT_UNKNOWN); |
| mUserId = userId; |
| } |
| |
| @Override |
| public void unableToStart() { |
| mCallback.onClientFinished(this, false /* success */); |
| } |
| |
| @Override |
| public void start(@NonNull Callback callback) { |
| super.start(callback); |
| startHalOperation(); |
| } |
| |
| @Override |
| protected void startHalOperation() { |
| try { |
| getFreshDaemon().getFeatures(); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Unable to getFeature", e); |
| mCallback.onClientFinished(this, false /* success */); |
| } |
| } |
| |
| @Override |
| public int getProtoEnum() { |
| return BiometricsProto.CM_GET_FEATURE; |
| } |
| |
| public void onFeatureGet(boolean success, byte[] features) { |
| try { |
| HashMap<Integer, Boolean> featureMap = getFeatureMap(); |
| int[] featuresToSend = new int[featureMap.size()]; |
| boolean[] featureState = new boolean[featureMap.size()]; |
| |
| // The AIDL get feature api states that the presence of a feature means |
| // it is enabled, while the lack thereof means its disabled. |
| for (int i = 0; i < features.length; i++) { |
| featureMap.put(AidlConversionUtils.convertAidlToFrameworkFeature(features[i]), |
| true); |
| } |
| |
| int i = 0; |
| for (Map.Entry<Integer, Boolean> entry : featureMap.entrySet()) { |
| featuresToSend[i] = entry.getKey(); |
| featureState[i] = entry.getValue(); |
| i++; |
| } |
| |
| boolean attentionEnabled = |
| featureMap.get(BiometricFaceConstants.FEATURE_REQUIRE_ATTENTION); |
| Slog.d(TAG, "Updating attention value for user: " + mUserId |
| + " to value: " + attentionEnabled); |
| Settings.Secure.putIntForUser(getContext().getContentResolver(), |
| Settings.Secure.FACE_UNLOCK_ATTENTION_REQUIRED, |
| attentionEnabled ? 1 : 0, mUserId); |
| |
| getListener().onFeatureGet(success, featuresToSend, featureState); |
| } catch (RemoteException | IllegalArgumentException e) { |
| Slog.e(TAG, "exception", e); |
| mCallback.onClientFinished(this, false /* success */); |
| return; |
| } |
| |
| mCallback.onClientFinished(this, true /* success */); |
| } |
| |
| private @NonNull HashMap<Integer, Boolean> getFeatureMap() { |
| HashMap<Integer, Boolean> featureMap = new HashMap<>(); |
| featureMap.put(BiometricFaceConstants.FEATURE_REQUIRE_ATTENTION, false); |
| return featureMap; |
| } |
| |
| @Override |
| public void onError(int errorCode, int vendorCode) { |
| try { |
| getListener().onFeatureGet(false /* success */, new int[0], new boolean[0]); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Remote exception", e); |
| } |
| |
| mCallback.onClientFinished(this, false /* success */); |
| } |
| |
| } |