1 /* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation, nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef MEASUREMENT_API_CLINET_H 31 #define MEASUREMENT_API_CLINET_H 32 33 #include <mutex> 34 #include <android/hardware/gnss/2.0/IGnssMeasurement.h> 35 #include <LocationAPIClientBase.h> 36 #include <hidl/Status.h> 37 #include <gps_extended_c.h> 38 39 namespace android { 40 namespace hardware { 41 namespace gnss { 42 namespace V2_0 { 43 namespace implementation { 44 45 using ::android::sp; 46 47 class MeasurementAPIClient : public LocationAPIClientBase 48 { 49 public: 50 MeasurementAPIClient(); 51 MeasurementAPIClient(const MeasurementAPIClient&) = delete; 52 MeasurementAPIClient& operator=(const MeasurementAPIClient&) = delete; 53 54 // for GpsMeasurementInterface 55 template <typename T> 56 Return<IGnssMeasurement::GnssMeasurementStatus> measurementSetCallback( 57 const sp<T>& callback, GnssPowerMode powerMode = GNSS_POWER_MODE_INVALID) { 58 mMutex.lock(); 59 setCallbackLocked(callback); 60 mMutex.unlock(); 61 62 return startTracking(powerMode); 63 } 64 void measurementClose(); 65 Return<IGnssMeasurement::GnssMeasurementStatus> startTracking( 66 GnssPowerMode powerMode = GNSS_POWER_MODE_INVALID, 67 uint32_t timeBetweenMeasurement = GPS_DEFAULT_FIX_INTERVAL_MS); 68 69 // callbacks we are interested in 70 void onGnssMeasurementsCb(GnssMeasurementsNotification gnssMeasurementsNotification) final; 71 72 private: setCallbackLocked(const sp<V1_0::IGnssMeasurementCallback> & callback)73 inline void setCallbackLocked(const sp<V1_0::IGnssMeasurementCallback>& callback) { 74 mGnssMeasurementCbIface = callback; 75 } setCallbackLocked(const sp<V1_1::IGnssMeasurementCallback> & callback)76 inline void setCallbackLocked(const sp<V1_1::IGnssMeasurementCallback>& callback) { 77 mGnssMeasurementCbIface_1_1 = callback; 78 } setCallbackLocked(const sp<V2_0::IGnssMeasurementCallback> & callback)79 inline void setCallbackLocked(const sp<V2_0::IGnssMeasurementCallback>& callback) { 80 mGnssMeasurementCbIface_2_0 = callback; 81 } 82 virtual ~MeasurementAPIClient(); 83 84 std::mutex mMutex; 85 sp<V1_0::IGnssMeasurementCallback> mGnssMeasurementCbIface; 86 sp<V1_1::IGnssMeasurementCallback> mGnssMeasurementCbIface_1_1; 87 sp<V2_0::IGnssMeasurementCallback> mGnssMeasurementCbIface_2_0; 88 bool mTracking; 89 void clearInterfaces(); 90 }; 91 92 } // namespace implementation 93 } // namespace V2_0 94 } // namespace gnss 95 } // namespace hardware 96 } // namespace android 97 #endif // MEASUREMENT_API_CLINET_H 98