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#ifndef QPDFDOCUMENT_P_H
#define QPDFDOCUMENT_P_H

#include "fpdfview.h"
#include "fpdf_dataavail.h"
#include "qpdfdocument.h"

#include <QPointer>
#include <qbuffer.h>
#include <qnetworkreply.h>
#include <qpointer.h>

QT_BEGIN_NAMESPACE

class QPdfDocumentPrivate: public FPDF_FILEACCESS, public FX_FILEAVAIL, public FX_DOWNLOADHINTS
{
public:
    QPdfDocumentPrivate();
    ~QPdfDocumentPrivate();

    QPdfDocument *q;

    FPDF_AVAIL avail;
    FPDF_DOCUMENT doc;
    bool loadComplete;

    QPointer<QIODevice> device;
    QScopedPointer<QIODevice> ownDevice;
    QBuffer asyncBuffer;
    QPointer<QNetworkReply> remoteDevice;
    QByteArray password;

    QPdfDocument::Error lastError;

    void clear();

    QPdfDocument::Error load(QIODevice *device, bool ownDevice, const QString &documentPassword);
    void loadAsync(QIODevice *device);

    void _q_initiateAsyncLoad();
    void _q_readFromDevice();
    void tryLoadDocument();
    void checkComplete();

    static bool fpdf_IsDataAvail(struct _FX_FILEAVAIL* pThis, size_t offset, size_t size);
    static int fpdf_GetBlock(void* param, unsigned long position, unsigned char* pBuf, unsigned long size);
    static void fpdf_AddSegment(struct _FX_DOWNLOADHINTS* pThis, size_t offset, size_t size);
    void setErrorCode();
};

QT_END_NAMESPACE

#endif // QPDFDOCUMENT_P_H