PluginMgr.h

//
// Copyright 2015 - 2024 (C). Alex Robenko. All rights reserved.
//
 
// This file 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.
//
// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
#pragma once
 
#include <memory>
#include <list>
#include <array>
 
#include <QtCore/QString>
#include <QtCore/QVariantMap>
#include <QtCore/QPluginLoader>
 
#include "Api.h"
#include "Plugin.h"
 
namespace cc_tools_qt
{
 
class PluginMgrImpl;
class CC_API PluginMgr
{
public:
 
    typedef std::shared_ptr<QPluginLoader> PluginLoaderPtr;
 
    class PluginInfo
    {
        friend class PluginMgr;
        friend class PluginMgrImpl;
 
    public:
        enum class Type
        {
            Invalid,
            Socket,
            Filter,
            Protocol,
            NumOfValues
        };
 
        const QString& getIid() const
        {
            return m_iid;
        }
 
        const QString& getName() const
        {
            return m_name;
        }
 
        const QString& getDescription() const
        {
            return m_desc;
        }
 
        Type getType() const
        {
            return m_type;
        }
 
    private:
        PluginInfo() = default;
 
        PluginLoaderPtr m_loader;
        QString m_iid;
        QString m_name;
        QString m_desc;
        Type m_type = Type::Invalid;
        bool m_applied = false;
    };
 
    typedef std::shared_ptr<PluginInfo> PluginInfoPtr;
    typedef std::list<PluginInfoPtr> ListOfPluginInfos;
    typedef Plugin::WidgetPtr WidgetPtr;
 
    PluginMgr();
    ~PluginMgr() noexcept;
 
    void setPluginsDir(const QString& pluginDir);
    const ListOfPluginInfos& getAvailablePlugins();
    const ListOfPluginInfos& getAppliedPlugins() const;
    void setAppliedPlugins(const ListOfPluginInfos& plugins);
    ListOfPluginInfos loadPluginsFromConfig(const QVariantMap& config);
    ListOfPluginInfos loadPluginsFromConfigFile(const QString& filename);
    bool savePluginsToConfigFile(const ListOfPluginInfos& infos, const QString& filename);
    Plugin* loadPlugin(const PluginInfo& info);
    bool hasAppliedPlugins() const;
    bool needsReload(const ListOfPluginInfos& infos) const;
    bool isProtocolChanging(const ListOfPluginInfos& infos) const;
    void unloadApplied();
    bool unloadAppliedPlugin(const PluginInfo& info);
    static QVariantMap getConfigForPlugins(const ListOfPluginInfos& infos);
    const QString& getLastFile() const;
    static const QString& getFilesFilter();
 
private:
    std::unique_ptr<PluginMgrImpl> m_impl;
};
 
}  // namespace cc_tools_qt
 
Q_DECLARE_METATYPE(cc_tools_qt::PluginMgr::PluginInfoPtr);