1 /* 2 * Copyright (C) 2020 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 <android/hardware/gnss/2.1/IGnssAntennaInfo.h> 20 21 #include <mutex> 22 #include <thread> 23 24 namespace android::hardware::gnss::V2_1::implementation { 25 26 struct GnssAntennaInfo : public ::android::hardware::gnss::V2_1::IGnssAntennaInfo { 27 GnssAntennaInfo(); 28 ~GnssAntennaInfo(); 29 30 // Methods from ::android::hardware::gnss::V2_1::IGnssAntennaInfo follow. 31 Return<GnssAntennaInfoStatus> setCallback( 32 const sp<::android::hardware::gnss::V2_1::IGnssAntennaInfoCallback>& callback) override; 33 Return<void> close() override; 34 35 private: 36 void start(); 37 void stop(); 38 void reportAntennaInfo( 39 const hidl_vec< 40 ::android::hardware::gnss::V2_1::IGnssAntennaInfoCallback::GnssAntennaInfo>& 41 antennaInfo) const; 42 43 // Guarded by mMutex 44 static sp<::android::hardware::gnss::V2_1::IGnssAntennaInfoCallback> sCallback; 45 46 std::atomic<long> mMinIntervalMillis; 47 std::atomic<bool> mIsActive; 48 std::thread mThread; 49 50 // Synchronization lock for sCallback 51 mutable std::mutex mMutex; 52 }; 53 54 } // namespace android::hardware::gnss::V2_1::implementation 55