Cppcheck - HTML report - digiKam-nl-search-more-criteria-rev-e2466e0973

# Cppcheck report - digiKam-nl-search-more-criteria-rev-e2466e0973: ../../core/utilities/geolocation/engine/core/MarbleClock.cpp

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    /* ============================================================
     *
     * This file is a part of digiKam project
     * https://www.digikam.org
     *
     * Date        : 2023-05-15
     * Description : geolocation engine based on Marble.
     *               (c) 2007-2022 Marble Team
     *               https://invent.kde.org/education/marble/-/raw/master/data/credits_authors.html
     *
     * SPDX-FileCopyrightText: 2023-2026 by Gilles Caulier <caulier dot gilles at gmail dot com>
     *
     * SPDX-License-Identifier: LGPL-2.1-or-later
     *
     * ============================================================ */

    #include "MarbleClock.h"

    // Qt includes

    #include <QDateTime>
    #include <QTimer>

    // Local includes

    #include "digikam_debug.h"

    namespace Marble
    {

    class Q_DECL_HIDDEN MarbleClockPrivate
    {
    public:

        MarbleClock* q = nullptr;
        int          m_speed;
        QTimer       m_timer;
        QDateTime    m_datetime;        // stores the UTC time
        QDateTime    m_lasttime;
        int          m_timezoneInSec;
        int          m_updateInterval;

        explicit MarbleClockPrivate(MarbleClock* parent);

        void timerTimeout();
    };

    MarbleClockPrivate::MarbleClockPrivate(MarbleClock* parent) :
        q(parent),
        m_speed(1),
        m_datetime(QDateTime::currentDateTimeUtc()),
        m_lasttime(QDateTime::currentDateTimeUtc()),
        m_timezoneInSec(0),
        m_updateInterval(60)
    {
        // nothing to do
    }

    void MarbleClockPrivate::timerTimeout()
    {
        // calculate real period elapsed since last call
        QDateTime curenttime(QDateTime::currentDateTimeUtc());
        int msecdelta = m_lasttime.msecsTo(curenttime);
        m_lasttime = curenttime;

        // update m_datetime at m_speed pace
        m_datetime = m_datetime.addMSecs(msecdelta * m_speed);

        // trigger round minute update (at m_speed pace)
        Q_EMIT q->timeChanged();

        // sleeptime is the time to sleep until next round minute, at m_speed pace
        int sleeptime = (m_updateInterval * 1000 - (qreal)(m_datetime.time().msec() + m_datetime.time().second() * 1000)) / m_speed;

        if (sleeptime < 1000)
        {
            // don't trigger more often than 1s
            sleeptime = 1000;
        }

        m_timer.start(sleeptime);

        //qCDebug(DIGIKAM_GEOENGINE_LOG) << "MarbleClock: will sleep for " << sleeptime;
    }

    MarbleClock::MarbleClock(QObject* parent)
        : QObject(parent), d(new MarbleClockPrivate(this))

    {
        connect(&d->m_timer, SIGNAL(timeout()),
                this,    SLOT(timerTimeout()));
        d->timerTimeout();
    }

    MarbleClock::~MarbleClock()
    {
        delete d;
    }

    qreal MarbleClock::dayFraction() const
    {
        qreal fraction = d->m_datetime.time().second();
        fraction = fraction / 60.0 + d->m_datetime.time().minute();
        fraction = fraction / 60.0 + d->m_datetime.time().hour();
        fraction = fraction / 24.0;
        return fraction;
    }

    void MarbleClock::setDateTime(const QDateTime& datetime)
    {
        d->m_datetime = datetime;
        d->timerTimeout();
    }

    QDateTime MarbleClock::dateTime() const
    {
        return d->m_datetime;
    }

    void MarbleClock::setUpdateInterval(int seconds)
    {
        d->m_updateInterval = seconds;
        Q_EMIT updateIntervalChanged(seconds);
    }

    int MarbleClock::updateInterval() const
    {
        return d->m_updateInterval;
    }

    int MarbleClock::speed() const
    {
        return d->m_speed;
    }

    void MarbleClock::setSpeed(int speed)<--- Shadow argument
    {
        d->m_speed = speed;
        d->timerTimeout();
    }

    int MarbleClock::timezone() const
    {
        return d->m_timezoneInSec;
    }

    void MarbleClock::setTimezone(int timezoneInSec)
    {
        d->m_timezoneInSec = timezoneInSec;
    }

    } // namespace Marble

    #include "moc_MarbleClock.cpp"