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/*
 * Copyright (C) 2017 The Android Open Source Project
 * Copyright (C) 2021 The LineageOS 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.
 */

#ifndef ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
#define ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H

#include <log/log.h>
#include <android/log.h>
#include "xiaomi_fingerprint.h"
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
#include <vendor/xiaomi/hardware/fingerprintextension/1.0/IXiaomiFingerprint.h>

namespace android {
namespace hardware {
namespace biometrics {
namespace fingerprint {
namespace V2_1 {
namespace implementation {

using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint;
using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprintClientCallback;
using ::android::hardware::biometrics::fingerprint::V2_1::RequestStatus;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::hardware::hidl_string;
using ::android::sp;
using ::vendor::xiaomi::hardware::fingerprintextension::V1_0::IXiaomiFingerprint;

struct BiometricsFingerprint : public IBiometricsFingerprint, public IXiaomiFingerprint {
public:
    BiometricsFingerprint();
    ~BiometricsFingerprint();

    // Method to wrap legacy HAL with BiometricsFingerprint class
    static IBiometricsFingerprint* getInstance();
    static IXiaomiFingerprint* getXiaomiInstance();

    // Methods from ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint follow.
    Return<uint64_t> setNotify(const sp<IBiometricsFingerprintClientCallback>& clientCallback) override;
    Return<uint64_t> preEnroll() override;
    Return<RequestStatus> enroll(const hidl_array<uint8_t, 69>& hat, uint32_t gid, uint32_t timeoutSec) override;
    Return<RequestStatus> postEnroll() override;
    Return<uint64_t> getAuthenticatorId() override;
    Return<RequestStatus> cancel() override;
    Return<RequestStatus> enumerate() override;
    Return<RequestStatus> remove(uint32_t gid, uint32_t fid) override;
    Return<RequestStatus> setActiveGroup(uint32_t gid, const hidl_string& storePath) override;
    Return<RequestStatus> authenticate(uint64_t operationId, uint32_t gid) override;

    // Methods from ::vendor::xiaomi::hardware::fingerprintextension::V1_0::IXiaomiFingerprint follow.
    Return<int32_t> extCmd(int32_t cmd, int32_t param) override;

private:
    static xiaomi_fingerprint_device_t* openHal(const char *class_name);
    static void notify(const fingerprint_msg_t *msg); /* Static callback for legacy HAL implementation */
    static Return<RequestStatus> ErrorFilter(int32_t error);
    static FingerprintError VendorErrorFilter(int32_t error, int32_t* vendorCode);
    static FingerprintAcquiredInfo VendorAcquiredFilter(int32_t error, int32_t* vendorCode);
    static BiometricsFingerprint* sInstance;

    std::mutex mClientCallbackMutex;
    sp<IBiometricsFingerprintClientCallback> mClientCallback;
    xiaomi_fingerprint_device_t *mDevice;
};

}  // namespace implementation
}  // namespace V2_1
}  // namespace fingerprint
}  // namespace biometrics
}  // namespace hardware
}  // namespace android

#endif  // ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H