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Copy pathSleepTimer.cpp
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114 lines (97 loc) · 2.94 KB
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#include "SleepTimer.hpp"
SleepTimer::SleepTimer(QObject * parent)
: QObject(parent),
m_sleepRemaining(0) {
m_sleepTimer.setSingleShot(true);
m_sleepTimerRemainingUpdate.setSingleShot(false);
setSleepTimeout(15); // 15 minutes
m_sleepTimerRemainingUpdate.setInterval(250);
bool rc;
rc = QObject::connect(&m_sleepTimer, SIGNAL(timeout()),
this, SLOT(onTimerExpired()));
Q_ASSERT(rc);
rc = QObject::connect(&m_sleepTimerRemainingUpdate, SIGNAL(timeout()),
this, SLOT(onUpdateStatus()));
Q_ASSERT(rc);
Q_UNUSED(rc);
}
int SleepTimer::sleepTimeout() const {
return m_sleepTimer.interval() / 60000;
}
void SleepTimer::setSleepTimeout(int value) {
if(m_sleepTimer.interval() / 60000 != value) {
m_sleepTimer.setInterval(value * 60000);
emit timeoutChanged();
updateStatusMessage();
updateSleepRemaining();
}
}
int SleepTimer::sleepRemaining() const {
return m_sleepRemaining;
}
int SleepTimer::totalSecondsRemaining() const {
int deltaMilliseconds = m_sleepTimer.interval() - m_sleepTimerStarted.elapsed();
if(deltaMilliseconds < 0) {
deltaMilliseconds = 0;
}
const int totalSeconds = deltaMilliseconds / 1000;
return totalSeconds;
}
bool SleepTimer::timerActive() const {
return m_sleepTimer.isActive();
}
QString SleepTimer::status() const {
return m_status;
}
void SleepTimer::start() {
if(!timerActive()) {
m_sleepTimer.start();
m_sleepTimerStarted.start();
m_sleepTimerRemainingUpdate.start();
emit timerActiveChanged();
updateStatusMessage();
updateSleepRemaining();
}
}
void SleepTimer::cancel() {
if(timerActive()) {
m_sleepTimer.stop();
m_sleepTimerRemainingUpdate.stop();
emit timerActiveChanged();
updateStatusMessage();
updateSleepRemaining();
}
}
void SleepTimer::onTimerExpired() {
emit timerActiveChanged();
updateStatusMessage();
updateSleepRemaining();
m_sleepTimerRemainingUpdate.stop();
emit expired();
}
void SleepTimer::onUpdateStatus() {
updateStatusMessage();
updateSleepRemaining();
}
void SleepTimer::updateSleepRemaining() {
int minutesRemaining;
if(timerActive()) {
minutesRemaining = totalSecondsRemaining() / 60;
} else {
minutesRemaining = sleepTimeout();
}
if(minutesRemaining != m_sleepRemaining) {
m_sleepRemaining = minutesRemaining;
emit sleepRemainingChanged();
}
}
void SleepTimer::updateStatusMessage() {
const int totalSeconds = totalSecondsRemaining();
const int minutes = totalSeconds / 60;
const int seconds = totalSeconds % 60;
QString newStatus = QString("%1:%2").arg(minutes, 2, 10, QChar('0')).arg(seconds, 2, 10, QChar('0'));
if(newStatus != m_status) {
m_status = newStatus;
emit statusChanged();
}
}