ialbumartprovider.h

Go to the documentation of this file.

/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/

#pragma once

#include <QString>
#include <QList>
#include <QImage>
#include <QMetaType>
#include <QtPlugin>
#include <util/threads/coro/channel.h>
#include <util/sll/either.h>

class QUrl;

template<typename>
class QFuture;

namespace Media
{
    struct AlbumInfo
    {
        QString Artist_;

        QString Album_;

        bool operator== (const AlbumInfo&) const = default;
    };

    inline size_t qHash (const AlbumInfo& info)
    {
        return qHash (std::pair { info.Album_, info.Artist_ });
    }

    class Q_DECL_EXPORT IAlbumArtProvider
    {
    protected:
        virtual ~IAlbumArtProvider () = default;
    public:
        struct AlbumArtResponse
        {
            QString ServiceName_;

            using Result_t = LC::Util::Either<QString, QList<QUrl>>;

            Result_t Result_;
        };

        using Channel_t = LC::Util::Channel_ptr<AlbumArtResponse>;

        [[nodiscard]]
        virtual Channel_t RequestAlbumArt (const AlbumInfo& album) const = 0;
    };
}

Q_DECLARE_METATYPE (Media::AlbumInfo)
Q_DECLARE_INTERFACE (Media::IAlbumArtProvider, "org.LeechCraft.Media.IAlbumArtProvider/1.0")