nymea/libnymea-core/time/timemanager.cpp

93 lines
3.4 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2016 Simon Stürz <simon.stuerz@guh.io> *
* *
* This file is part of nymea. *
* *
* nymea is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, version 2 of the License. *
* *
* nymea is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with nymea. If not, see <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*!
\class nymeaserver::TimeManager
\brief Describes the centralized time manager of nymea.
\ingroup rules
\inmodule core
*/
/*! \fn void nymeaserver::TimeManager::tick()
Represents the central time tick. Will be emitted every second.
*/
/*! \fn void nymeaserver::TimeManager::dateTimeChanged(const QDateTime &dateTime);
Will be emitted when the \a dateTime has changed.
*/
#include "timemanager.h"
#include "loggingcategories.h"
namespace nymeaserver {
/*! Constructs a new \l{TimeManager} with the given \a timeZone and \a parent. */
TimeManager::TimeManager(QObject *parent) :
QObject(parent)
{
m_timerId = startTimer(1000, Qt::VeryCoarseTimer);
}
/*! Returns the current dateTime of this \l{TimeManager}. */
QDateTime TimeManager::currentDateTime() const
{
return QDateTime::currentDateTime().addSecs(m_overrideDifference);
}
/*! Stop the time.
*
* \note This method should only be used in tests.
*/
void TimeManager::stopTimer()
{
qCWarning(dcTimeManager()) << "TimeManager timer stopped. You should only see this in tests.";
// Stop clock (used for testing)
killTimer(m_timerId);
}
/*! Set the current time of this TimeManager to the given \a dateTime.
*
* \note This method should only be used in tests.
*/
void TimeManager::setTime(const QDateTime &dateTime)
{
qCWarning(dcTimeManager()) << "TimeManager time changed" << dateTime.toString("dd.MM.yyyy hh:mm:ss") << "You should only see this in tests.";
m_overrideDifference = QDateTime::currentDateTime().secsTo(dateTime);
// This method will only be called for testing to set the internal time
emit dateTimeChanged(dateTime);
}
void TimeManager::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event)
emit tick();
// Minute based nymea time
QDateTime now = QDateTime::currentDateTime();
if (m_lastEvent.time().minute() != now.time().minute()) {
m_lastEvent = now;
emit dateTimeChanged(now.addSecs(m_overrideDifference));
}
}
}