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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtNfc module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QNEARFIELDTARGET_H
#define QNEARFIELDTARGET_H
#include <QtCore/QObject>
#include <QtCore/QList>
#include <QtCore/QMetaType>
#include <QtCore/QSharedDataPointer>
#include <QtNfc/qnfcglobal.h>
QT_BEGIN_NAMESPACE
class QString;
class QUrl;
QT_END_NAMESPACE
QT_BEGIN_NAMESPACE
class QNdefMessage;
class QNearFieldTargetPrivate;
class Q_NFC_EXPORT QNearFieldTarget : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QNearFieldTarget)
public:
enum Type {
ProprietaryTag,
NfcTagType1,
NfcTagType2,
NfcTagType3,
NfcTagType4,
MifareTag,
};
enum AccessMethod {
UnknownAccess = 0x00,
NdefAccess = 0x01,
TagTypeSpecificAccess = 0x02,
LlcpAccess = 0x04
};
Q_DECLARE_FLAGS(AccessMethods, AccessMethod)
enum Error {
NoError,
UnknownError,
UnsupportedError,
TargetOutOfRangeError,
NoResponseError,
ChecksumMismatchError,
InvalidParametersError,
NdefReadError,
NdefWriteError
};
class RequestIdPrivate;
class Q_NFC_EXPORT RequestId
{
public:
RequestId();
RequestId(const RequestId &other);
RequestId(RequestIdPrivate *p);
~RequestId();
bool isValid() const;
int refCount() const;
bool operator<(const RequestId &other) const;
bool operator==(const RequestId &other) const;
bool operator!=(const RequestId &other) const;
RequestId &operator=(const RequestId &other);
QSharedDataPointer<RequestIdPrivate> d;
};
explicit QNearFieldTarget(QObject *parent = 0);
virtual ~QNearFieldTarget();
virtual QByteArray uid() const = 0;
virtual QUrl url() const;
virtual Type type() const = 0;
virtual AccessMethods accessMethods() const = 0;
bool isProcessingCommand() const;
// NdefAccess
virtual bool hasNdefMessage();
virtual RequestId readNdefMessages();
virtual RequestId writeNdefMessages(const QList<QNdefMessage> &messages);
// TagTypeSpecificAccess
virtual RequestId sendCommand(const QByteArray &command);
virtual RequestId sendCommands(const QList<QByteArray> &commands);
virtual bool waitForRequestCompleted(const RequestId &id, int msecs = 5000);
QVariant requestResponse(const RequestId &id);
void setResponseForRequest(const QNearFieldTarget::RequestId &id, const QVariant &response,
bool emitRequestCompleted = true);
protected:
Q_INVOKABLE virtual bool handleResponse(const QNearFieldTarget::RequestId &id,
const QByteArray &response);
Q_SIGNALS:
void disconnected();
void ndefMessageRead(const QNdefMessage &message);
void ndefMessagesWritten();
void requestCompleted(const QNearFieldTarget::RequestId &id);
void error(QNearFieldTarget::Error error, const QNearFieldTarget::RequestId &id);
private:
QNearFieldTargetPrivate *d_ptr;
};
Q_NFC_EXPORT quint16 qNfcChecksum(const char * data, uint len);
Q_DECLARE_OPERATORS_FOR_FLAGS(QNearFieldTarget::AccessMethods)
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QNearFieldTarget::RequestId)
Q_DECLARE_METATYPE(QNearFieldTarget::Error)
#endif // QNEARFIELDTARGET_H
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