1 /*
2  * Copyright (C) 2017 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 #ifndef ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
18 #define ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
19 
20 #include <log/log.h>
21 #include <android/log.h>
22 #include <hardware/hardware.h>
23 #include <hardware/fingerprint.h>
24 #include <hidl/MQDescriptor.h>
25 #include <hidl/Status.h>
26 #include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
27 
28 namespace android {
29 namespace hardware {
30 namespace biometrics {
31 namespace fingerprint {
32 namespace V2_1 {
33 namespace implementation {
34 
35 using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint;
36 using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprintClientCallback;
37 using ::android::hardware::biometrics::fingerprint::V2_1::RequestStatus;
38 using ::android::hardware::Return;
39 using ::android::hardware::Void;
40 using ::android::hardware::hidl_vec;
41 using ::android::hardware::hidl_string;
42 using ::android::sp;
43 
44 struct BiometricsFingerprint : public IBiometricsFingerprint {
45 public:
46     BiometricsFingerprint();
47     ~BiometricsFingerprint();
48 
49     // Method to wrap legacy HAL with BiometricsFingerprint class
50     static IBiometricsFingerprint* getInstance();
51 
52     // Methods from ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint follow.
53     Return<uint64_t> setNotify(const sp<IBiometricsFingerprintClientCallback>& clientCallback) override;
54     Return<uint64_t> preEnroll() override;
55     Return<RequestStatus> enroll(const hidl_array<uint8_t, 69>& hat, uint32_t gid, uint32_t timeoutSec) override;
56     Return<RequestStatus> postEnroll() override;
57     Return<uint64_t> getAuthenticatorId() override;
58     Return<RequestStatus> cancel() override;
59     Return<RequestStatus> enumerate() override;
60     Return<RequestStatus> remove(uint32_t gid, uint32_t fid) override;
61     Return<RequestStatus> setActiveGroup(uint32_t gid, const hidl_string& storePath) override;
62     Return<RequestStatus> authenticate(uint64_t operationId, uint32_t gid) override;
63 
64 private:
65     static fingerprint_device_t* openHal();
66     static void notify(const fingerprint_msg_t *msg); /* Static callback for legacy HAL implementation */
67     static Return<RequestStatus> ErrorFilter(int32_t error);
68     static FingerprintError VendorErrorFilter(int32_t error, int32_t* vendorCode);
69     static FingerprintAcquiredInfo VendorAcquiredFilter(int32_t error, int32_t* vendorCode);
70     static BiometricsFingerprint* sInstance;
71 
72     std::mutex mClientCallbackMutex;
73     sp<IBiometricsFingerprintClientCallback> mClientCallback;
74     fingerprint_device_t *mDevice;
75 };
76 
77 }  // namespace implementation
78 }  // namespace V2_1
79 }  // namespace fingerprint
80 }  // namespace biometrics
81 }  // namespace hardware
82 }  // namespace android
83 
84 #endif  // ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
85