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