qpcscmanager_p.h

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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QPCSCMANAGER_P_H
#define QPCSCMANAGER_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include "qpcsc_p.h"
#include "qnearfieldtarget.h"
 
QT_BEGIN_NAMESPACE
 
class QPcscSlot;
class QPcscCard;
class QTimer;
 
class QPcscManager : public QObject
{
    Q_OBJECT
public:
    explicit QPcscManager(QObject *parent = nullptr);
    ~QPcscManager() override;
 
    QPcscCard *connectToCard(QPcscSlot *slot);
 
private:
    QTimer *m_stateUpdateTimer;
    bool m_targetDetectionRunning = false;
    bool m_hasContext = false;
    SCARDCONTEXT m_context;
    QMap<QPcscSlotName, QPcscSlot *> m_slots;
    QList<SCARD_READERSTATE> m_slotStates;
    QNearFieldTarget::AccessMethod m_requestedMethod;
 
    [[nodiscard]] bool establishContext();
    void processSlotUpdates();
    void updateSlotList();
    void removeSlots();
    void retryCardDetection(const QPcscSlot *slot);
 
public Q_SLOTS:
    void onStartTargetDetectionRequest(QNearFieldTarget::AccessMethod accessMethod);
    void onStopTargetDetectionRequest();
 
private Q_SLOTS:
    void onStateUpdate();
 
Q_SIGNALS:
    void cardInserted(QPcscCard *card, const QByteArray &uid,
                      QNearFieldTarget::AccessMethods accessMethods, int maxInputLength);
};
 
QT_END_NAMESPACE
 
#endif // QPCSCMANAGER_P_H