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#ifndef QMLPIXMAPCACHE_H
#define QMLPIXMAPCACHE_H

#include <QtCore/QString>
#include <QtGui/QPixmap>
#include <QtCore/qurl.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)
class QmlEngine;
class QNetworkReply;
class QmlImageReader;

class QmlPixmapReplyPrivate;
class Q_DECLARATIVE_EXPORT QmlPixmapReply : public QObject
{
    Q_OBJECT
public:
    ~QmlPixmapReply();

    enum Status { Ready, Error, Unrequested, Loading };
    Status status() const;

    const QUrl &url() const;

Q_SIGNALS:
    void finished();
    void downloadProgress(qint64, qint64);

protected:
    bool event(QEvent *event);

private:
    void addRef();
    bool release(bool defer=false);
    bool isLoading() const;
    void setLoading();

private:
    QmlPixmapReply(QmlImageReader *reader, const QUrl &url);
    Q_DISABLE_COPY(QmlPixmapReply)
    Q_DECLARE_PRIVATE(QmlPixmapReply)
    friend class QmlImageRequestHandler;
    friend class QmlImageReader;
    friend class QmlPixmapCache;
};

class Q_DECLARATIVE_EXPORT QmlPixmapCache
{
public:
    static QmlPixmapReply::Status get(const QUrl& url, QPixmap *pixmap);
    static QmlPixmapReply *request(QmlEngine *, const QUrl& url);
    static void cancel(const QUrl& url, QObject *obj);
    static int pendingRequests();
};



QT_END_NAMESPACE

QT_END_HEADER

#endif // QMLPIXMAPCACHE_H