pluginmanager.h

#pragma once
 
#include <QPluginLoader>
#include <QHash>
#include <QString>
#include <QVector>
#include <QObject>
 
#include <optional>
#include <memory>
 
#include "ibase.h"
#include "imask.h"
#include "ipreview.h"
#include "iselection.h"
#include "pluginhandle.h"
#include "pluginthread.h"
 
class PluginManager : public QObject {
    Q_OBJECT
 
public:
    ~PluginManager();
    static PluginManager& instance();
 
    QStringList getPluginNames() const;
    bool hasPlugin(const QString& name) const;
    bool hasPreviewPlugin(const QString& name) const;
    bool hasMaskPlugin(const QString& name) const;
    bool hasSelectionPlugin(const QString& name) const;
 
    std::shared_ptr<QWidget> getSettingsWidget(const QString& pluginName) const;
    std::optional<PLUG::Error> getSettingsWidgetError(const QString& pluginName) const;
 
    PLUG::ApplySettingsResult applyPluginSettings(
        const QString& pluginName,
        const QMap<QString, QVariant>& settings) const;
    QMap<QString, QVariant> getPluginSettings(const QString& pluginName) const;
    QString getPluginSettingsString(const QString& pluginName) const;
 
    std::shared_ptr<PluginThread> getPluginThread() const;
 
    QVector<QPair<QString, PLUG::Error>> loadSettingsWidgets();
 
    void enableCuda(bool useCuda);
 
private:
    PluginManager();
    void loadPlugins();
 
    QHash<QString, PluginHandle> m_plugins;
    std::shared_ptr<PluginThread> m_pluginThread;
};