clockskewnotifier.cpp

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/*
    SPDX-FileCopyrightText: 2019 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#include "clockskewnotifier.h"
#include "clockskewnotifierengine_p.h"
 
namespace KWin
{
 
class ClockSkewNotifier::Private
{
public:
    void loadNotifierEngine();
    void unloadNotifierEngine();
 
    ClockSkewNotifier *notifier = nullptr;
    ClockSkewNotifierEngine *engine = nullptr;
    bool isActive = false;
};
 
void ClockSkewNotifier::Private::loadNotifierEngine()
{
    engine = ClockSkewNotifierEngine::create(notifier);
 
    if (engine) {
        QObject::connect(engine, &ClockSkewNotifierEngine::clockSkewed, notifier, &ClockSkewNotifier::clockSkewed);
    }
}
 
void ClockSkewNotifier::Private::unloadNotifierEngine()
{
    if (!engine) {
        return;
    }
 
    QObject::disconnect(engine, &ClockSkewNotifierEngine::clockSkewed, notifier, &ClockSkewNotifier::clockSkewed);
    engine->deleteLater();
 
    engine = nullptr;
}
 
ClockSkewNotifier::ClockSkewNotifier(QObject *parent)
    : QObject(parent)
    , d(new Private)
{
    d->notifier = this;
}
 
ClockSkewNotifier::~ClockSkewNotifier()
{
}
 
bool ClockSkewNotifier::isActive() const
{
    return d->isActive;
}
 
void ClockSkewNotifier::setActive(bool set)
{
    if (d->isActive == set) {
        return;
    }
 
    d->isActive = set;
 
    if (d->isActive) {
        d->loadNotifierEngine();
    } else {
        d->unloadNotifierEngine();
    }
 
    Q_EMIT activeChanged();
}
 
} // namespace KWin
 
#include "moc_clockskewnotifier.cpp"