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- /*
- * Copyright (c) 2019, The Linux Foundation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- * * Neither the name of The Linux Foundation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include <android/hardware/gnss/visibility_control/1.0/IGnssVisibilityControl.h>
- #include <hidl/MQDescriptor.h>
- #include <hidl/Status.h>
- #include "GnssVisibilityControl.h"
- #include <location_interface.h>
- namespace android {
- namespace hardware {
- namespace gnss {
- namespace visibility_control {
- namespace V1_0 {
- namespace implementation {
- using ::android::hardware::hidl_array;
- using ::android::hardware::hidl_memory;
- using ::android::hardware::hidl_string;
- using ::android::hardware::hidl_vec;
- using ::android::hardware::Return;
- using ::android::hardware::Void;
- using ::android::sp;
- static GnssVisibilityControl* spGnssVisibilityControl = nullptr;
- static void convertGnssNfwNotification(GnssNfwNotification& in,
- IGnssVisibilityControlCallback::NfwNotification& out);
- GnssVisibilityControl::GnssVisibilityControl(Gnss* gnss) : mGnss(gnss) {
- spGnssVisibilityControl = this;
- }
- GnssVisibilityControl::~GnssVisibilityControl() {
- spGnssVisibilityControl = nullptr;
- }
- void GnssVisibilityControl::nfwStatusCb(GnssNfwNotification notification) {
- if (nullptr != spGnssVisibilityControl) {
- spGnssVisibilityControl->statusCb(notification);
- }
- }
- bool GnssVisibilityControl::isInEmergencySession() {
- if (nullptr != spGnssVisibilityControl) {
- return spGnssVisibilityControl->isE911Session();
- }
- return false;
- }
- static void convertGnssNfwNotification(GnssNfwNotification& in,
- IGnssVisibilityControlCallback::NfwNotification& out)
- {
- memset(&out, 0, sizeof(IGnssVisibilityControlCallback::NfwNotification));
- out.proxyAppPackageName = in.proxyAppPackageName;
- out.protocolStack = (IGnssVisibilityControlCallback::NfwProtocolStack)in.protocolStack;
- out.otherProtocolStackName = in.otherProtocolStackName;
- out.requestor = (IGnssVisibilityControlCallback::NfwRequestor)in.requestor;
- out.requestorId = in.requestorId;
- out.responseType = (IGnssVisibilityControlCallback::NfwResponseType)in.responseType;
- out.inEmergencyMode = in.inEmergencyMode;
- out.isCachedLocation = in.isCachedLocation;
- }
- void GnssVisibilityControl::statusCb(GnssNfwNotification notification) {
- if (mGnssVisibilityControlCbIface != nullptr) {
- IGnssVisibilityControlCallback::NfwNotification nfwNotification;
- // Convert from one structure to another
- convertGnssNfwNotification(notification, nfwNotification);
- auto r = mGnssVisibilityControlCbIface->nfwNotifyCb(nfwNotification);
- if (!r.isOk()) {
- LOC_LOGw("Error invoking NFW status cb %s", r.description().c_str());
- }
- } else {
- LOC_LOGw("setCallback has not been called yet");
- }
- }
- bool GnssVisibilityControl::isE911Session() {
- if (mGnssVisibilityControlCbIface != nullptr) {
- auto r = mGnssVisibilityControlCbIface->isInEmergencySession();
- if (!r.isOk()) {
- LOC_LOGw("Error invoking NFW status cb %s", r.description().c_str());
- return false;
- } else {
- return (r);
- }
- } else {
- LOC_LOGw("setCallback has not been called yet");
- return false;
- }
- }
- // Methods from ::android::hardware::gnss::visibility_control::V1_0::IGnssVisibilityControl follow.
- Return<bool> GnssVisibilityControl::enableNfwLocationAccess(const hidl_vec<::android::hardware::hidl_string>& proxyApps) {
- if (nullptr == mGnss || nullptr == mGnss->getGnssInterface()) {
- LOC_LOGe("Null GNSS interface");
- return false;
- }
- std::vector<std::string> apps;
- for (auto i = 0; i < proxyApps.size(); i++) {
- apps.push_back((std::string)proxyApps[i]);
- }
- mGnss->getGnssInterface()->enableNfwLocationAccess(apps);
- return true;
- }
- /**
- * Registers the callback for HAL implementation to use.
- *
- * @param callback Handle to IGnssVisibilityControlCallback interface.
- */
- Return<bool> GnssVisibilityControl::setCallback(const ::android::sp<::android::hardware::gnss::visibility_control::V1_0::IGnssVisibilityControlCallback>& callback) {
- if (nullptr == mGnss || nullptr == mGnss->getGnssInterface()) {
- LOC_LOGe("Null GNSS interface");
- return false;
- }
- mGnssVisibilityControlCbIface = callback;
- NfwCbInfo cbInfo = {};
- cbInfo.visibilityControlCb = (void*)nfwStatusCb;
- cbInfo.isInEmergencySession = (void*)isInEmergencySession;
- mGnss->getGnssInterface()->nfwInit(cbInfo);
- return true;
- }
- } // namespace implementation
- } // namespace V1_0
- } // namespace visibility_control
- } // namespace gnss
- } // namespace hardware
- } // namespace android
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