android_device_xiaomi_sm835.../gps/android/1.0/GnssMeasurement.cpp

102 lines
2.9 KiB
C++
Raw Normal View History

/*
* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
* Not a Contribution
*/
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "LocSvc_GnssMeasurementInterface"
#include <log_util.h>
#include <MeasurementAPIClient.h>
#include "GnssMeasurement.h"
namespace android {
namespace hardware {
namespace gnss {
namespace V1_0 {
namespace implementation {
void GnssMeasurement::GnssMeasurementDeathRecipient::serviceDied(
uint64_t cookie, const wp<IBase>& who) {
LOC_LOGE("%s] service died. cookie: %llu, who: %p",
__FUNCTION__, static_cast<unsigned long long>(cookie), &who);
if (mGnssMeasurement != nullptr) {
mGnssMeasurement->close();
}
}
GnssMeasurement::GnssMeasurement() {
mGnssMeasurementDeathRecipient = new GnssMeasurementDeathRecipient(this);
mApi = new MeasurementAPIClient();
}
GnssMeasurement::~GnssMeasurement() {
if (mApi) {
mApi->destroy();
mApi = nullptr;
}
}
// Methods from ::android::hardware::gnss::V1_0::IGnssMeasurement follow.
Return<IGnssMeasurement::GnssMeasurementStatus> GnssMeasurement::setCallback(
const sp<V1_0::IGnssMeasurementCallback>& callback) {
Return<IGnssMeasurement::GnssMeasurementStatus> ret =
IGnssMeasurement::GnssMeasurementStatus::ERROR_GENERIC;
if (mGnssMeasurementCbIface != nullptr) {
LOC_LOGE("%s]: GnssMeasurementCallback is already set", __FUNCTION__);
return IGnssMeasurement::GnssMeasurementStatus::ERROR_ALREADY_INIT;
}
if (callback == nullptr) {
LOC_LOGE("%s]: callback is nullptr", __FUNCTION__);
return ret;
}
if (mApi == nullptr) {
LOC_LOGE("%s]: mApi is nullptr", __FUNCTION__);
return ret;
}
mGnssMeasurementCbIface = callback;
mGnssMeasurementCbIface->linkToDeath(mGnssMeasurementDeathRecipient, 0);
return mApi->measurementSetCallback(callback);
}
Return<void> GnssMeasurement::close() {
if (mApi == nullptr) {
LOC_LOGE("%s]: mApi is nullptr", __FUNCTION__);
return Void();
}
if (mGnssMeasurementCbIface != nullptr) {
mGnssMeasurementCbIface->unlinkToDeath(mGnssMeasurementDeathRecipient);
mGnssMeasurementCbIface = nullptr;
}
mApi->measurementClose();
return Void();
}
} // namespace implementation
} // namespace V1_0
} // namespace gnss
} // namespace hardware
} // namespace android