1 /* 2 * Copyright (C) 2015 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 IFINGERPRINT_DAEMON_H_ 18 #define IFINGERPRINT_DAEMON_H_ 19 20 #include <binder/IInterface.h> 21 #include <binder/Parcel.h> 22 23 namespace android { 24 25 class IFingerprintDaemonCallback; 26 27 /* 28 * Abstract base class for native implementation of FingerprintService. 29 * 30 * Note: This must be kept manually in sync with IFingerprintDaemon.aidl 31 */ 32 class IFingerprintDaemon : public IInterface, public IBinder::DeathRecipient { 33 public: 34 enum { 35 AUTHENTICATE = IBinder::FIRST_CALL_TRANSACTION + 0, 36 CANCEL_AUTHENTICATION = IBinder::FIRST_CALL_TRANSACTION + 1, 37 ENROLL = IBinder::FIRST_CALL_TRANSACTION + 2, 38 CANCEL_ENROLLMENT = IBinder::FIRST_CALL_TRANSACTION + 3, 39 PRE_ENROLL = IBinder::FIRST_CALL_TRANSACTION + 4, 40 REMOVE = IBinder::FIRST_CALL_TRANSACTION + 5, 41 GET_AUTHENTICATOR_ID = IBinder::FIRST_CALL_TRANSACTION + 6, 42 SET_ACTIVE_GROUP = IBinder::FIRST_CALL_TRANSACTION + 7, 43 OPEN_HAL = IBinder::FIRST_CALL_TRANSACTION + 8, 44 CLOSE_HAL = IBinder::FIRST_CALL_TRANSACTION + 9, 45 INIT = IBinder::FIRST_CALL_TRANSACTION + 10, 46 POST_ENROLL = IBinder::FIRST_CALL_TRANSACTION + 11, 47 }; 48 IFingerprintDaemon()49 IFingerprintDaemon() { } ~IFingerprintDaemon()50 virtual ~IFingerprintDaemon() { } 51 virtual const android::String16& getInterfaceDescriptor() const; 52 53 // Binder interface methods 54 virtual void init(const sp<IFingerprintDaemonCallback>& callback) = 0; 55 virtual int32_t enroll(const uint8_t* token, ssize_t tokenLength, int32_t groupId, 56 int32_t timeout) = 0; 57 virtual uint64_t preEnroll() = 0; 58 virtual int32_t postEnroll() = 0; 59 virtual int32_t stopEnrollment() = 0; 60 virtual int32_t authenticate(uint64_t sessionId, uint32_t groupId) = 0; 61 virtual int32_t stopAuthentication() = 0; 62 virtual int32_t remove(int32_t fingerId, int32_t groupId) = 0; 63 virtual uint64_t getAuthenticatorId() = 0; 64 virtual int32_t setActiveGroup(int32_t groupId, const uint8_t* path, ssize_t pathLen) = 0; 65 virtual int64_t openHal() = 0; 66 virtual int32_t closeHal() = 0; 67 68 // DECLARE_META_INTERFACE - C++ client interface not needed 69 static const android::String16 descriptor; 70 static void hal_notify_callback(const fingerprint_msg_t *msg); 71 }; 72 73 // ---------------------------------------------------------------------------- 74 75 class BnFingerprintDaemon: public BnInterface<IFingerprintDaemon> { 76 public: 77 virtual status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, 78 uint32_t flags = 0); 79 private: 80 bool checkPermission(const String16& permission); 81 }; 82 83 } // namespace android 84 85 #endif // IFINGERPRINT_DAEMON_H_ 86 87