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#include "service.hpp"
#include <qdebug.h>
#include <qpointer.h>
namespace caelestia {
Service::Service(QObject* parent)
: QObject(parent)
, m_refCount(0) {}
int Service::refCount() const {
QMutexLocker locker(&m_mutex);
return m_refCount;
}
void Service::ref() {
bool needsStart = false;
{
QMutexLocker locker(&m_mutex);
if (m_refCount == 0) {
needsStart = true;
}
m_refCount++;
}
emit refCountChanged();
if (needsStart) {
const QPointer<Service> self(this);
QMetaObject::invokeMethod(
this,
[self]() {
if (self) {
self->start();
}
},
Qt::QueuedConnection);
}
}
void Service::unref() {
bool needsStop = false;
{
QMutexLocker locker(&m_mutex);
if (m_refCount == 0) {
return;
}
m_refCount--;
if (m_refCount == 0) {
needsStop = true;
}
}
emit refCountChanged();
if (needsStop) {
const QPointer<Service> self(this);
QMetaObject::invokeMethod(
this,
[self]() {
if (self) {
self->stop();
}
},
Qt::QueuedConnection);
}
}
} // namespace caelestia
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