ialbumartprovider.h

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/**********************************************************************
 * 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 <QHash>
#include <QMetaType>
#include <util/sll/eitherfwd.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)
    {
        const std::initializer_list<QString> elems { info.Album_, info.Artist_ };
        return qHashRange (elems.begin (), elems.end ());
    }
 
    class Q_DECL_EXPORT IAlbumArtProvider
    {
    public:
        virtual ~IAlbumArtProvider () {}
 
        using Result_t = LC::Util::Either<QString, QList<QUrl>>;
 
        virtual QString GetAlbumArtProviderName () const = 0;
 
        virtual QFuture<Result_t> RequestAlbumArt (const AlbumInfo& album) const = 0;
    };
}
 
Q_DECLARE_METATYPE (Media::AlbumInfo)
Q_DECLARE_INTERFACE (Media::IAlbumArtProvider, "org.LeechCraft.Media.IAlbumArtProvider/1.0")