card_picture_loader.h

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#ifndef CARD_PICTURE_LOADER_H
#define CARD_PICTURE_LOADER_H
 
#include "card_picture_loader_status_bar.h"
#include "card_picture_loader_worker.h"
 
#include <QLoggingCategory>
 
inline Q_LOGGING_CATEGORY(CardPictureLoaderLog, "card_picture_loader");
inline Q_LOGGING_CATEGORY(CardPictureLoaderCardBackCacheFailLog, "card_picture_loader.card_back_cache_fail");

class CardPictureLoader : public QObject
{
    Q_OBJECT
public:
    static CardPictureLoader &getInstance()
    {
        static CardPictureLoader instance;
        return instance;
    }
 
private:
    explicit CardPictureLoader();
    ~CardPictureLoader() override;
 
    // Disable copy and assignment for singleton
    CardPictureLoader(CardPictureLoader const &) = delete;
    void operator=(CardPictureLoader const &) = delete;
 
    CardPictureLoaderWorker *worker;       
    CardPictureLoaderStatusBar *statusBar; 
 
public:
    static void getPixmap(QPixmap &pixmap, const ExactCard &card, QSize size);

    static void getCardBackPixmap(QPixmap &pixmap, QSize size);

    static void getCardBackLoadingInProgressPixmap(QPixmap &pixmap, QSize size);

    static void getCardBackLoadingFailedPixmap(QPixmap &pixmap, QSize size);

    static void cacheCardPixmaps(const QList<ExactCard> &cards);

    static bool hasCustomArt();

    static void clearPixmapCache();
 
public slots:
    static void clearNetworkCache();

    void imageLoaded(const ExactCard &card, const QImage &image);
 
private slots:
    void picDownloadChanged();

    void picsPathChanged();
};
 
#endif