com/android/server/biometrics/sensors/fingerprint/hidl/FingerprintInternalCleanupClient.java

/*
 * Copyright (C) 2020 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.fingerprint.hidl;

import android.annotation.NonNull;
import android.content.Context;
import android.hardware.biometrics.BiometricsProtoEnums;
import android.hardware.biometrics.fingerprint.V2_1.IBiometricsFingerprint;
import android.hardware.fingerprint.Fingerprint;
import android.os.IBinder;

import com.android.server.biometrics.sensors.BiometricUtils;
import com.android.server.biometrics.sensors.InternalCleanupClient;
import com.android.server.biometrics.sensors.InternalEnumerateClient;
import com.android.server.biometrics.sensors.RemovalClient;

import java.util.List;
import java.util.Map;

/**
 * Fingerprint-specific internal cleanup client supporting the
 * {@link android.hardware.biometrics.fingerprint.V2_1} and
 * {@link android.hardware.biometrics.fingerprint.V2_2} HIDL interfaces.
 */
class FingerprintInternalCleanupClient
        extends InternalCleanupClient<Fingerprint, IBiometricsFingerprint> {

    FingerprintInternalCleanupClient(@NonNull Context context,
            @NonNull LazyDaemon<IBiometricsFingerprint> lazyDaemon, int userId,
            @NonNull String owner, int sensorId, @NonNull List<Fingerprint> enrolledList,
            @NonNull BiometricUtils<Fingerprint> utils,
            @NonNull Map<Integer, Long> authenticatorIds) {
        super(context, lazyDaemon, userId, owner, sensorId,
                BiometricsProtoEnums.MODALITY_FINGERPRINT, enrolledList, utils, authenticatorIds);
    }

    @Override
    protected InternalEnumerateClient<IBiometricsFingerprint> getEnumerateClient(
            Context context, LazyDaemon<IBiometricsFingerprint> lazyDaemon, IBinder token,
            int userId, String owner, List<Fingerprint> enrolledList,
            BiometricUtils<Fingerprint> utils, int sensorId) {
        return new FingerprintInternalEnumerateClient(context, lazyDaemon, token, userId, owner,
                enrolledList, utils, sensorId);
    }

    @Override
    protected RemovalClient<Fingerprint, IBiometricsFingerprint> getRemovalClient(Context context,
            LazyDaemon<IBiometricsFingerprint> lazyDaemon, IBinder token,
            int biometricId, int userId, String owner, BiometricUtils<Fingerprint> utils,
            int sensorId, Map<Integer, Long> authenticatorIds) {
        // Internal remove does not need to send results to anyone. Cleanup (enumerate + remove)
        // is all done internally.
        return new FingerprintRemovalClient(context, lazyDaemon, token,
                null /* ClientMonitorCallbackConverter */, biometricId, userId, owner, utils,
                sensorId, authenticatorIds);
    }
}