PluginManager.h

// Copyright (C), UNIGINE. All rights reserved.
#pragma once


#include <editor/EditorGlobal.h>

#include <UnigineString.h>
#include <UnigineVector.h>

#include <QObject>


// Forward decl.
namespace Editor
{
class PluginInfo;
class Application;
}


namespace Editor
{
class EDITOR_API PluginManager final : public QObject
{
    Q_OBJECT
public:
    static PluginManager *instance();

    static void loadPluginSpecs(const Unigine::Vector<Unigine::String> &search_paths);
    static void loadPlugins();
    static void unloadPlugins();

    static bool loadPlugin(PluginInfo *plugin_info);

    static bool unloadPlugin(PluginInfo *plugin_info);

    static Unigine::Vector<PluginInfo *> plugins();

    static bool hasError();
    static Unigine::Vector<Unigine::String> allErrors();

    static bool isInitialized();

signals:
    void initializationCompleted();

    void aboutToBeLoadedPlugin(PluginInfo *plugin_info);
    void loadedPlugin(PluginInfo *plugin_info);
    void aboutToBeUnloadedPlugin(PluginInfo *plugin_info);
    void unloadedPlugin(PluginInfo *plugin_info);

private:
    explicit PluginManager(QObject *parent = nullptr);
    ~PluginManager() override;

    friend class Editor::Application; // initialization.
};


} // namespace Editor