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// Copyright (C) 2020 Governikus GmbH & Co. KG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QNEARFIELDTARGET_IOS_P_H
#define QNEARFIELDTARGET_IOS_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 "qnearfieldtarget_p.h"
#include "qnearfieldtarget.h"
#include "qndefmessage.h"
#include <QQueue>
#include <QTimer>
#include <memory>
#include <deque>
QT_BEGIN_NAMESPACE
class ResponseProvider : public QObject
{
Q_OBJECT
public:
void provideResponse(QNearFieldTarget::RequestId requestId, bool success, QByteArray recvBuffer);
Q_SIGNALS:
void responseReceived(QNearFieldTarget::RequestId requestId, bool success, QByteArray recvBuffer);
};
struct NfcDeleter
{
void operator()(void *tag);
};
struct NdefOperation
{
enum Type {
Read,
Write
} type = Read;
QNearFieldTarget::RequestId requestId;
QNdefMessage message;
};
class QNfcNdefNotifier;
class QNearFieldTargetPrivateImpl : public QNearFieldTargetPrivate
{
Q_OBJECT
public:
QNearFieldTargetPrivateImpl(void *tag, QObject *parent = nullptr);
QNearFieldTargetPrivateImpl(void *sessionDelegate, void *tag, QObject *parent = nullptr);
~QNearFieldTargetPrivateImpl() override;
void invalidate();
QByteArray uid() const override;
QNearFieldTarget::Type type() const override;
QNearFieldTarget::AccessMethods accessMethods() const override;
int maxCommandLength() const override;
QNearFieldTarget::RequestId sendCommand(const QByteArray &command) override;
// NdefAccess
bool hasNdefMessage() override;
QNearFieldTarget::RequestId readNdefMessages() override;
QNearFieldTarget::RequestId writeNdefMessages(const QList<QNdefMessage> &messages) override;
bool isAvailable() const;
Q_SIGNALS:
void targetLost(QNearFieldTargetPrivateImpl *target);
private:
std::unique_ptr<void, NfcDeleter> nfcTag;
// Owned by the near field manager.
void *sessionDelegate = nil;
// Owned by the session delegate.
QNfcNdefNotifier *notifier = nullptr;
bool hasNDEFMessage = false;
bool connected = false;
QTimer targetCheckTimer;
QNearFieldTarget::RequestId requestInProgress;
QQueue<std::pair<QNearFieldTarget::RequestId, QByteArray>> queue;
std::deque<NdefOperation> ndefOperations;
bool connect();
bool isNdefTag() const;
private Q_SLOTS:
void onTargetCheck();
void onTargetError(QNearFieldTarget::Error error, const QNearFieldTarget::RequestId &id);
void onExecuteRequest();
void onResponseReceived(QNearFieldTarget::RequestId requestId, bool success, QByteArray recvBuffer);
// NDEF:
void messageRead(const QNdefMessage &ndefMessage, QNearFieldTarget::RequestId request);
void messageWritten(QNearFieldTarget::RequestId request);
};
QT_END_NAMESPACE
#endif // QNEARFIELDTARGET_IOS_P_H
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