CoverFetchThread.h

/* CoverFetchThread.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/>.
 */
 
 
/*
 * CoverFetchThread.h
 *
 *  Created on: Jun 28, 2011
 *      Author: Michael Lugmair (Lucio Carreras)
 */
 
#ifndef COVERFETCHTHREAD_H_
#define COVERFETCHTHREAD_H_
 
#include "Utils/Pimpl.h"
 
#include <QObject>
#include <functional>
 
class QImage;
class AsyncWebAccess;
 
namespace Cover
{
    class Location;
 
    class WebCoverFetcher :
        public QObject
    {
        Q_OBJECT
        PIMPL(WebCoverFetcher)
 
        signals:
            void sigFinished();
            void sigCoverFound(int idx);
 
        public:
            WebCoverFetcher() = delete;
            WebCoverFetcher(QObject* parent, const Cover::Location& coverLocation, const int requestedCovers);
            virtual ~WebCoverFetcher();
 
            bool start();
            void stop();
 
            QString url(int idx) const;
            QPixmap pixmap(int idx) const;
 
        private slots:
            void imageFetched();
            void contentFetched();
 
        private:
            bool processNextSearchUrl();
            bool processNextImageUrl();
            bool startNextRequest();
    };
}
 
#endif /* COVERFETCHTHREAD_H_ */