GeolocationService.cpp Example File

    /* Copyright (c) 2012-2013 BlackBerry Limited.
    *
    * 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.
    */

    #include "GeolocationService.hpp"
    #include <bps/geolocation.h>

    namespace bb {
    namespace cascades {
    namespace bps {

    GeolocationService::GeolocationService(QObject *parent)
            : BlackBerryPlatformService(parent)
            , m_period(0)
    {
    }

    GeolocationService::~GeolocationService() {
    }

    void GeolocationService::requestEvents() {
            geolocation_request_events(0);
    }

    int GeolocationService::eventDomain() {
            return geolocation_get_domain();
    }

    unsigned int GeolocationService::period() {
            return m_period;
    }
    void GeolocationService::setPeriod(unsigned int period) {
            m_period = period;
            geolocation_set_period(m_period);
    }

    void GeolocationService::handleEvent(bps_event_t *event) {
            uint16_t code = bps_event_get_code(event);
            if (code == GEOLOCATION_CANCEL) {
                    Q_EMIT cancel();
            } else if (code == GEOLOCATION_INFO) {
                    double latitude = geolocation_event_get_latitude(event);
                    double longitude = geolocation_event_get_longitude(event);
                    double accuracy = geolocation_event_get_accuracy(event); // accuracy in meters
                    bool isCoarse = geolocation_event_is_coarse(event);
                    Q_EMIT locationUpdate(latitude, longitude, accuracy, isCoarse);

                    double altitude = geolocation_event_get_altitude(event);
                    bool isAltitudeValid = geolocation_event_is_altitude_valid(event);
                    double altitudeAccuracy = geolocation_event_get_altitude_accuracy(
                                    event);
                    bool isAltitudeAccuracyValid =
                                    geolocation_event_is_altitude_accuracy_valid(event);
                    Q_EMIT altitudeUpdate(altitude, isAltitudeValid, altitudeAccuracy,
                                    isAltitudeAccuracyValid);

                    double heading = geolocation_event_get_heading(event);
                    bool isHeadingValid = geolocation_event_is_heading_valid(event);
                    Q_EMIT headingUpdate(heading, isHeadingValid);

                    double speed = geolocation_event_get_speed(event);
                    bool isSpeedValid = geolocation_event_is_speed_valid(event);
                    Q_EMIT speedUpdate(speed, isSpeedValid);
            }
    }

    } /* namespace bps */
    } /* namespace cascades */
    } /* namespace bb */