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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "timemodel.h"
int TimeModel::instances=0;
MinuteTimer *TimeModel::timer=nullptr;
void MinuteTimer::start()
{
if (!timer.isActive()) {
time = QTime::currentTime();
timer.start(60000-time.second()*1000, this);
}
}
void MinuteTimer::stop()
{
timer.stop();
}
void MinuteTimer::timerEvent(QTimerEvent *)
{
QTime now = QTime::currentTime();
if (now.second() == 59 && now.minute() == time.minute() && now.hour() == time.hour()) {
// just missed time tick over, force it, wait extra 0.5 seconds
time = time.addSecs(60);
timer.start(60500, this);
} else {
time = now;
timer.start(60000-time.second()*1000, this);
}
emit timeChanged();
}
TimeModel::TimeModel(QObject *parent) : QObject(parent)
{
if (++instances == 1) {
if (!timer)
timer = new MinuteTimer(QCoreApplication::instance());
connect(timer, &MinuteTimer::timeChanged, this, &TimeModel::timeChanged);
timer->start();
}
}
TimeModel::~TimeModel()
{
if (--instances == 0) {
timer->stop();
}
}
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