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      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 FINGERPRINT_DAEMON_PROXY_H_
     18 #define FINGERPRINT_DAEMON_PROXY_H_
     19 
     20 #include "IFingerprintDaemon.h"
     21 #include "IFingerprintDaemonCallback.h"
     22 
     23 namespace android {
     24 
     25 class FingerprintDaemonProxy : public BnFingerprintDaemon {
     26     public:
     27         static FingerprintDaemonProxy* getInstance() {
     28             if (sInstance == NULL) {
     29                 sInstance = new FingerprintDaemonProxy();
     30             }
     31             return sInstance;
     32         }
     33 
     34         // These reflect binder methods.
     35         virtual void init(const sp<IFingerprintDaemonCallback>& callback);
     36         virtual int32_t enroll(const uint8_t* token, ssize_t tokenLength, int32_t groupId, int32_t timeout);
     37         virtual uint64_t preEnroll();
     38         virtual int32_t postEnroll();
     39         virtual int32_t stopEnrollment();
     40         virtual int32_t authenticate(uint64_t sessionId, uint32_t groupId);
     41         virtual int32_t stopAuthentication();
     42         virtual int32_t remove(int32_t fingerId, int32_t groupId);
     43         virtual int32_t enumerate();
     44         virtual uint64_t getAuthenticatorId();
     45         virtual int32_t setActiveGroup(int32_t groupId, const uint8_t* path, ssize_t pathLen);
     46         virtual int64_t openHal();
     47         virtual int32_t closeHal();
     48 
     49     private:
     50         FingerprintDaemonProxy();
     51         virtual ~FingerprintDaemonProxy();
     52         void binderDied(const wp<IBinder>& who);
     53         void notifyKeystore(const uint8_t *auth_token, const size_t auth_token_length);
     54         static void hal_notify_callback(const fingerprint_msg_t *msg);
     55 
     56         static FingerprintDaemonProxy* sInstance;
     57         fingerprint_module_t const* mModule;
     58         fingerprint_device_t* mDevice;
     59         sp<IFingerprintDaemonCallback> mCallback;
     60 };
     61 
     62 } // namespace android
     63 
     64 #endif // FINGERPRINT_DAEMON_PROXY_H_
     65