Files
awesome-widgets/sources/awesome-widget/plugin/awdataengineaggregator.h

87 lines
3.3 KiB
C++

/***************************************************************************
* This file is part of awesome-widgets *
* *
* awesome-widgets is free software: you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* awesome-widgets is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with awesome-widgets. If not, see http://www.gnu.org/licenses/ *
***************************************************************************/
#pragma once
#include <ksysguard/systemstats/SensorInfo.h>
#include <QHash>
#include <QObject>
#include <QSet>
#include <memory>
namespace KSysGuard::SystemStats
{
class DBusInterface;
}
class AWDataEngineAggregator : public QObject
{
Q_OBJECT
public:
~AWDataEngineAggregator() override;
AWDataEngineAggregator(AWDataEngineAggregator &) = delete;
void operator=(const AWDataEngineAggregator &) = delete;
[[nodiscard]] static AWDataEngineAggregator *instance(QObject *_client)
{
static auto instance = loadInstance();
instance->registerClient(_client);
return instance.get();
};
void connectSources();
void disconnectSources();
void dropSourceForClient(QObject *_client, const QString &_source);
[[nodiscard]] inline bool isSubscriptionUnused(const QString &_source) const;
[[nodiscard]] static bool isValidSensor(const KSysGuard::SensorInfo &_sensor);
void loadSources();
void registerClient(QObject *_client);
void subscribeSources(const QStringList &_sources);
void unregisterClient(QObject *_client);
signals:
void dataUpdated(const QHash<QString, KSysGuard::SensorInfo> &_sensors, const KSysGuard::SensorDataList &_data);
void deviceAdded(const QString &_source);
public slots:
void dropSource(const QString &_source);
void sensorAdded(const QString &_sensor);
void sensorRemoved(const QString &_sensor);
void updateData(const KSysGuard::SensorDataList &_data);
void updateSensors(const QHash<QString, KSysGuard::SensorInfo> &_sensors);
protected:
explicit AWDataEngineAggregator(QObject *_parent = nullptr);
[[nodiscard]] static std::unique_ptr<AWDataEngineAggregator> loadInstance()
{
auto instance = new AWDataEngineAggregator();
return std::unique_ptr<AWDataEngineAggregator>(instance);
};
private:
QSet<QObject *> m_clients;
QHash<QString, QSet<QObject *>> m_droppedBy;
KSysGuard::SystemStats::DBusInterface *m_interface = nullptr;
QHash<QString, KSysGuard::SensorInfo> m_sensors;
QSet<QString> m_subscribed;
};