/**************************************************************************** ** ** Copyright (C) 2013 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. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: 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. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qnearfieldmanagervirtualbase_p.h" #include "qndefmessage.h" #include "qtlv_p.h" QT_BEGIN_NAMESPACE //static inline bool matchesTarget(QNearFieldTarget::Type type, // const QList &types) //{ // return types.contains(type) || types.contains(QNearFieldTarget::AnyTarget); //} QNearFieldManagerPrivateVirtualBase::QNearFieldManagerPrivateVirtualBase() { } QNearFieldManagerPrivateVirtualBase::~QNearFieldManagerPrivateVirtualBase() { } bool QNearFieldManagerPrivateVirtualBase::startTargetDetection() { return true; } void QNearFieldManagerPrivateVirtualBase::stopTargetDetection() { } int QNearFieldManagerPrivateVirtualBase::getFreeId() { if (!m_freeIds.isEmpty()) return m_freeIds.takeFirst(); m_registeredHandlers.append(Callback()); return m_registeredHandlers.count() - 1; } int QNearFieldManagerPrivateVirtualBase::registerNdefMessageHandler(QObject *object, const QMetaMethod &method) { int id = getFreeId(); Callback &callback = m_registeredHandlers[id]; callback.filter = QNdefFilter(); callback.object = object; callback.method = method; return id; } int QNearFieldManagerPrivateVirtualBase::registerNdefMessageHandler(const QNdefFilter &filter, QObject *object, const QMetaMethod &method) { int id = getFreeId(); Callback &callback = m_registeredHandlers[id]; callback.filter = filter; callback.object = object; callback.method = method; return id; } bool QNearFieldManagerPrivateVirtualBase::unregisterNdefMessageHandler(int id) { if (id < 0 || id >= m_registeredHandlers.count()) return false; m_freeIds.append(id); while (m_freeIds.contains(m_registeredHandlers.count() - 1)) { m_freeIds.removeAll(m_registeredHandlers.count() - 1); m_registeredHandlers.removeLast(); } return true; } void QNearFieldManagerPrivateVirtualBase::targetActivated(QNearFieldTarget *target) { //if (matchesTarget(target->type(), m_detectTargetTypes)) emit targetDetected(target); if (target->hasNdefMessage()) { QTlvReader reader(target); while (!reader.atEnd()) { if (!reader.readNext()) { if (!target->waitForRequestCompleted(reader.requestId())) break; else continue; } // NDEF Message TLV if (reader.tag() == 0x03) ndefReceived(QNdefMessage::fromByteArray(reader.data()), target); } } } void QNearFieldManagerPrivateVirtualBase::targetDeactivated(QNearFieldTarget *target) { emit targetLost(target); QMetaObject::invokeMethod(target, "disconnected"); } struct VerifyRecord { QNdefFilter::Record filterRecord; unsigned int count; }; void QNearFieldManagerPrivateVirtualBase::ndefReceived(const QNdefMessage &message, QNearFieldTarget *target) { for (int i = 0; i < m_registeredHandlers.count(); ++i) { if (m_freeIds.contains(i)) continue; Callback &callback = m_registeredHandlers[i]; bool matched = true; QList filterRecords; for (int j = 0; j < callback.filter.recordCount(); ++j) { VerifyRecord vr; vr.count = 0; vr.filterRecord = callback.filter.recordAt(j); filterRecords.append(vr); } foreach (const QNdefRecord &record, message) { for (int j = 0; matched && (j < filterRecords.count()); ++j) { VerifyRecord &vr = filterRecords[j]; if (vr.filterRecord.typeNameFormat == record.typeNameFormat() && vr.filterRecord.type == record.type()) { ++vr.count; break; } else { if (callback.filter.orderMatch()) { if (vr.filterRecord.minimum <= vr.count && vr.count <= vr.filterRecord.maximum) { continue; } else { matched = false; } } } } } for (int j = 0; matched && (j < filterRecords.count()); ++j) { const VerifyRecord &vr = filterRecords.at(j); if (vr.filterRecord.minimum <= vr.count && vr.count <= vr.filterRecord.maximum) continue; else matched = false; } if (matched) { callback.method.invoke(callback.object, Q_ARG(QNdefMessage, message), Q_ARG(QNearFieldTarget *, target)); } } } QT_END_NAMESPACE