CustomMimeData.h

/* CustomMimeData.h */
 
/* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
 *
 * This file is part of sayonara player
 *
 * This program 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/>.
 */
 
#ifndef _CUSTOMMIMEDATA_H
#define _CUSTOMMIMEDATA_H
 
#include "Utils/Pimpl.h"
 
#include <QMimeData>
 
 
namespace Gui
{
    class AsyncDropHandler;
    class CustomMimeData : public QMimeData
    {
 
    private:
        PIMPL(CustomMimeData)
 
        CustomMimeData(const void* data);
        const void* ptr() const;
 
    public:
        template<typename T>
        CustomMimeData(const T* class_instance) :
            CustomMimeData(static_cast<const void*>(class_instance))
        {}
 
        virtual ~CustomMimeData() override;
 
        void setMetadata(const MetaDataList& v_md);
 
        const MetaDataList& metadata() const;
 
        bool hasMetadata() const;
 
        void setPlaylistSourceIndex(int playlistIndex);
        int playlistSourceIndex() const;
 
        QString coverUrl() const;
        void setCoverUrl(const QString& url);
 
        template<typename T>
        bool hasSource(const T* classInstance) const
        {
            const void* voidPtr = ptr();
            const T* p = static_cast<const T*>(voidPtr);
            if(!p){
                return false;
            }
 
            return (p == classInstance);
        }
 
        void setAsyncDropHandler(Gui::AsyncDropHandler* handler);
        Gui::AsyncDropHandler* asyncDropHandler() const;
    };
}
 
#endif