servatrice/cockatrice/src/pictureloader.h

136 lines
3.3 KiB
C++

#ifndef PICTURELOADER_H
#define PICTURELOADER_H
#include "carddatabase.h"
#include <QList>
#include <QMap>
#include <QMutex>
#include <QNetworkRequest>
class QNetworkAccessManager;
class QNetworkReply;
class QThread;
class PictureToLoad
{
private:
class SetDownloadPriorityComparator
{
public:
/*
* Returns true if a has higher download priority than b
* Enabled sets have priority over disabled sets
* Both groups follows the user-defined order
*/
inline bool operator()(const CardSetPtr &a, const CardSetPtr &b) const
{
if (a->getEnabled()) {
return !b->getEnabled() || a->getSortKey() < b->getSortKey();
} else {
return !b->getEnabled() && a->getSortKey() < b->getSortKey();
}
}
};
CardInfoPtr card;
QList<CardSetPtr> sortedSets;
QList<QString> urlTemplates;
QList<QString> currentSetUrls;
QString currentUrl;
CardSetPtr currentSet;
public:
explicit PictureToLoad(CardInfoPtr _card = CardInfoPtr());
CardInfoPtr getCard() const
{
return card;
}
void clear()
{
card.clear();
}
QString getCurrentUrl() const
{
return currentUrl;
}
CardSetPtr getCurrentSet() const
{
return currentSet;
}
QString getSetName() const;
QString transformUrl(const QString &urlTemplate) const;
bool nextSet();
bool nextUrl();
void populateSetUrls();
};
class PictureLoaderWorker : public QObject
{
Q_OBJECT
public:
explicit PictureLoaderWorker();
~PictureLoaderWorker() override;
void enqueueImageLoad(CardInfoPtr card);
private:
static QStringList md5Blacklist;
QThread *pictureLoaderThread;
QString picsPath, customPicsPath;
QList<PictureToLoad> loadQueue;
QMutex mutex;
QNetworkAccessManager *networkManager;
QList<PictureToLoad> cardsToDownload;
PictureToLoad cardBeingLoaded;
PictureToLoad cardBeingDownloaded;
bool picDownload, downloadRunning, loadQueueRunning;
void startNextPicDownload();
bool cardImageExistsOnDisk(QString &, QString &);
bool imageIsBlackListed(const QByteArray &);
private slots:
void picDownloadFinished(QNetworkReply *reply);
void picDownloadFailed();
void picDownloadChanged();
void picsPathChanged();
public slots:
void processLoadQueue();
signals:
void startLoadQueue();
void imageLoaded(CardInfoPtr card, const QImage &image);
};
class PictureLoader : public QObject
{
Q_OBJECT
public:
static PictureLoader &getInstance()
{
static PictureLoader instance;
return instance;
}
private:
explicit PictureLoader();
~PictureLoader() override;
// Singleton - Don't implement copy constructor and assign operator
PictureLoader(PictureLoader const &);
void operator=(PictureLoader const &);
PictureLoaderWorker *worker;
public:
static void getPixmap(QPixmap &pixmap, CardInfoPtr card, QSize size);
static void getCardBackPixmap(QPixmap &pixmap, QSize size);
static void clearPixmapCache(CardInfoPtr card);
static void clearPixmapCache();
static void cacheCardPixmaps(QList<CardInfoPtr> cards);
private slots:
void picDownloadChanged();
void picsPathChanged();
public slots:
void imageLoaded(CardInfoPtr card, const QImage &image);
};
#endif