plugin_manager.h

#pragma once
 
#include <QDir>
#include <QJsonArray>
#include <QPluginLoader>
#include <QWidget>
 
#include "compiler/pipeline.h"
#include "iplugin.h"
#include "json.h"
#include "keys.h"
#include "logging.h"
#include "result.h"
#include "widgets/settings_manager.h"
 
class QComboBox;
class HostServices;
namespace maki
{
class PipelineActionRegistry;
}

class PluginManager : public QObject
{
  Q_OBJECT
 
public:
  struct Plugin
  {
    QSharedPointer<QPluginLoader> loader;
    maki::IPlugin* plugin;  
  };

  PluginManager(maki::PipelineActionRegistry* registry, Pipeline* pipeline, QObject* parent = nullptr);

  virtual ~PluginManager();

  VoidResult start(const PluginSettings& settings, HostServices* services);

  maki::IPlugin* currentPlugin() const;

  maki::IPlugin* pluginByLanguage(const QString& language) const;

  void settingsChanged(const PluginSettings& settings, HostServices* services);

  VoidResult reloadPlugin(const QString& pluginName, HostServices* services);
 
signals:
 
  void pluginAdded(const Plugin& plugin) const;
 
private:
  maki::IPlugin* mPlugin;    
  QVector<Plugin> mPlugins;  
  maki::PipelineActionRegistry* mRegistry;
 
  Pipeline::Info mInfo;  
  Pipeline* mPipeline;   
  QString mProgressId;   
  bool mIsRunning;

  VoidResult loadPlugin(const QDir& pluginDir, const maki::Manifest& path, HostServices* services, PluginSettings::Status status);

  bool setPlugin(const QString& language);

  Result<maki::Manifest> getPluginManifest(const QDir& path) const;

  VoidResult loadPluginLibraryDir(const maki::Manifest& manifest);

  VoidResult installPlugin(const maki::Manifest& manifest);

  int getPluginIndex(const QString& pluginName) const;

  VoidResult deregisterPlugin(const Plugin& plugin);
 
  QWidget* progressContent();  
};