LocationDiagnostics.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 "LocationDiagnostics.hpp"

    #include "LocationSession.hpp"

    #include <QCoreApplication>
    #include <QSettings>

    LocationDiagnostics::LocationDiagnostics(QObject *parent)
        : QObject(parent)
    {
        // Load default values from persistent storage
        QSettings settings;
        m_positionMethod = settings.value("positionMethod", "all").toString();
        m_assistanceMode = settings.value("assistanceMode", "password").toString();
        m_frequency = settings.value("frequency", "1").toInt();
        m_useSound = settings.value("useSound", true).toBool();
        m_backgroundMode = settings.value("backgroundMode", true).toBool();

        bool ok = connect(qApp, SIGNAL(manualExit()), SLOT(onManualExit()));
        Q_ASSERT(ok);
        Q_UNUSED(ok);
    }

    LocationSession* LocationDiagnostics::createLocationSession(bool trackingMode)
    {
        // Create a new location session
        LocationSession* session = new LocationSession(this, true);

        // Configure the session according to the property values
        session->setSoundEnabled(m_useSound);

        if (!session->positionSource())
            return session;

        if (m_positionMethod == QLatin1String("all")) {
            session->positionSource()->setPreferredPositioningMethods(QGeoPositionInfoSource::AllPositioningMethods);
        } else if (m_positionMethod == QLatin1String("nonSatellite")) {
            session->positionSource()->setPreferredPositioningMethods(QGeoPositionInfoSource::NonSatellitePositioningMethods);
        } else if (m_positionMethod == QLatin1String("satellite")) {
            session->positionSource()->setPreferredPositioningMethods(QGeoPositionInfoSource::SatellitePositioningMethods);
        } else if (m_positionMethod == QLatin1String("gps")) {
            session->positionSource()->setProperty("provider", "gnss");
            session->positionSource()->setProperty("fixType", "gps_autonomous");
        } else if (m_positionMethod == QLatin1String("cellular")) {
            session->positionSource()->setProperty("provider", "network");
            session->positionSource()->setProperty("fixType", "cellsite");
        } else if (m_positionMethod == QLatin1String("wifi")) {
            session->positionSource()->setProperty("provider", "network");
            session->positionSource()->setProperty("fixType", "wifi");
        } else if (m_positionMethod == QLatin1String("msb")) {
            session->positionSource()->setProperty("provider", "gnss");
            session->positionSource()->setProperty("fixType", "gps_ms_based");
        } else if (m_positionMethod == QLatin1String("msa")) {
            session->positionSource()->setProperty("provider", "gnss");
            session->positionSource()->setProperty("fixType", "gps_ms_assisted");
        }

        if (m_assistanceMode == QLatin1String("pde")) {
            if (!m_pdeUrl.isEmpty())
                session->positionSource()->setProperty("qtaPDEURL", m_pdeUrl);
        } else if (m_assistanceMode == QLatin1String("slp")) {
            if (!m_slpUrl.isEmpty())
                session->positionSource()->setProperty("slpURL", m_slpUrl);
        } else if (m_assistanceMode == QLatin1String("password")) {
            if (!m_appId.isEmpty())
                session->positionSource()->setProperty("qtaAppID", m_appId);

            if (!m_password.isEmpty())
                session->positionSource()->setProperty("qtaAppPassword", m_password);
        }

        session->positionSource()->setUpdateInterval(m_frequency * 1000);
        session->positionSource()->setProperty("canRunInBackground", m_backgroundMode);

        // Activate the session
        if (trackingMode) {
            session->startUpdates();
        } else {
            session->requestUpdate();
        }

        return session;
    }

    void LocationDiagnostics::onManualExit()
    {
        qApp->exit(0);
    }

    QString LocationDiagnostics::positionMethod() const
    {
        return m_positionMethod;
    }

    void LocationDiagnostics::setPositionMethod(const QString &method)
    {
        if (m_positionMethod == method)
            return;

        m_positionMethod = method;

        QSettings settings;
        settings.setValue("positionMethod", m_positionMethod);

        emit positionMethodChanged();
    }

    QString LocationDiagnostics::assistanceMode() const
    {
        return m_assistanceMode;
    }

    void LocationDiagnostics::setAssistanceMode(const QString &mode)
    {
        if (m_assistanceMode == mode)
            return;

        m_assistanceMode = mode;

        QSettings settings;
        settings.setValue("assistanceMode", m_assistanceMode);

        emit assistanceModeChanged();
    }

    QString LocationDiagnostics::pdeUrl() const
    {
        return m_pdeUrl;
    }

    void LocationDiagnostics::setPdeUrl(const QString &url)
    {
        if (m_pdeUrl == url)
            return;

        m_pdeUrl = url;
        emit pdeUrlChanged();
    }

    QString LocationDiagnostics::slpUrl() const
    {
        return m_slpUrl;
    }

    void LocationDiagnostics::setSlpUrl(const QString &url)
    {
        if (m_slpUrl == url)
            return;

        m_slpUrl = url;
        emit slpUrlChanged();
    }

    QString LocationDiagnostics::appId() const
    {
        return m_appId;
    }

    void LocationDiagnostics::setAppId(const QString &appId)
    {
        if (m_appId == appId)
            return;

        m_appId = appId;
        emit appIdChanged();
    }

    QString LocationDiagnostics::password() const
    {
        return m_password;
    }

    void LocationDiagnostics::setPassword(const QString &password)
    {
        if (m_password == password)
            return;

        m_password = password;
        emit passwordChanged();
    }

    int LocationDiagnostics::frequency() const
    {
        return m_frequency;
    }

    void LocationDiagnostics::setFrequency(int frequency)
    {
        if (m_frequency == frequency)
            return;

        m_frequency = frequency;

        QSettings settings;
        settings.setValue("frequency", m_frequency);

        emit frequencyChanged();
    }

    bool LocationDiagnostics::useSound() const
    {
        return m_useSound;
    }

    void LocationDiagnostics::setUseSound(bool sound)
    {
        if (m_useSound == sound)
            return;

        m_useSound = sound;

        QSettings settings;
        settings.setValue("useSound", m_useSound);

        emit useSoundChanged();
    }

    bool LocationDiagnostics::backgroundMode() const
    {
        return m_backgroundMode;
    }

    void LocationDiagnostics::setBackgroundMode(bool mode)
    {
        if (m_backgroundMode == mode)
            return;

        m_backgroundMode = mode;

        QSettings settings;
        settings.setValue("backgroundMode", m_backgroundMode);

        emit backgroundModeChanged();
    }