1 /* 2 * Copyright (C) 2021 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 #pragma once 18 19 #include <aidl/android/hardware/gnss/BnGnssAntennaInfo.h> 20 #include <atomic> 21 #include <mutex> 22 #include <thread> 23 24 namespace aidl::android::hardware::gnss { 25 26 struct GnssAntennaInfo : public BnGnssAntennaInfo { 27 public: 28 GnssAntennaInfo(); 29 ~GnssAntennaInfo(); 30 ndk::ScopedAStatus setCallback( 31 const std::shared_ptr<IGnssAntennaInfoCallback>& callback) override; 32 ndk::ScopedAStatus close() override; 33 34 private: 35 void start(); 36 void stop(); 37 void reportAntennaInfo( 38 const std::vector<IGnssAntennaInfoCallback::GnssAntennaInfo>& antennaInfo) const; 39 40 // Guarded by mMutex 41 static std::shared_ptr<IGnssAntennaInfoCallback> sCallback; 42 43 std::atomic<bool> mIsActive; 44 std::atomic<long> mMinIntervalMs; 45 std::thread mThread; 46 47 // Synchronization lock for sCallback 48 mutable std::mutex mMutex; 49 }; 50 51 } // namespace aidl::android::hardware::gnss 52