diff options
Diffstat (limited to 'src/nfc/qnearfieldmanager_ios.mm')
| -rw-r--r-- | src/nfc/qnearfieldmanager_ios.mm | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/nfc/qnearfieldmanager_ios.mm b/src/nfc/qnearfieldmanager_ios.mm new file mode 100644 index 00000000..dcae40dc --- /dev/null +++ b/src/nfc/qnearfieldmanager_ios.mm @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** Copyright (C) 2020 Governikus GmbH & Co. KG +** Contact: https://www.qt.io/licensing/ +** +** 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/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 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qnearfieldmanager_ios_p.h" + +#include "ios/qiostagreaderdelegate_p.h" +#include "qnearfieldtarget_ios_p.h" + +#include <QDateTime> + +#import <CoreNFC/NFCReaderSession.h> +#import <CoreNFC/NFCNDEFReaderSession.h> +#import <CoreNFC/NFCTagReaderSession.h> + +QT_BEGIN_NAMESPACE + +QNearFieldManagerPrivateImpl::QNearFieldManagerPrivateImpl() +{ + if (@available(iOS 13, *)) + delegate = [[QT_MANGLE_NAMESPACE(QIosTagReaderDelegate) alloc] initWithListener:this]; + + connect(this, &QNearFieldManagerPrivateImpl::tagDiscovered, + this, &QNearFieldManagerPrivateImpl::onTagDiscovered, + Qt::QueuedConnection); + connect(this, &QNearFieldManagerPrivateImpl::didInvalidateWithError, + this, &QNearFieldManagerPrivateImpl::onDidInvalidateWithError, + Qt::QueuedConnection); +} + +QNearFieldManagerPrivateImpl::~QNearFieldManagerPrivateImpl() +{ + if (@available(iOS 13, *)) + [delegate release]; +} + +bool QNearFieldManagerPrivateImpl::isSupported(QNearFieldTarget::AccessMethod accessMethod) const +{ + switch (accessMethod) { + case QNearFieldTarget::AnyAccess: + return NFCNDEFReaderSession.readingAvailable; + case QNearFieldTarget::TagTypeSpecificAccess: + if (@available(iOS 13, *)) + return NFCTagReaderSession.readingAvailable; + Q_FALLTHROUGH(); + case QNearFieldTarget::UnknownAccess: + case QNearFieldTarget::NdefAccess: + return false; + } +} + +bool QNearFieldManagerPrivateImpl::startTargetDetection(QNearFieldTarget::AccessMethod accessMethod) +{ + if (detectionRunning) + return false; + + switch (accessMethod) { + case QNearFieldTarget::UnknownAccess: + case QNearFieldTarget::NdefAccess: + case QNearFieldTarget::AnyAccess: + return false; + case QNearFieldTarget::TagTypeSpecificAccess: + if (@available(iOS 13, *)) + if (NFCTagReaderSession.readingAvailable) { + detectionRunning = true; + startSession(); + return true; + } + return false; + } +} + +void QNearFieldManagerPrivateImpl::stopTargetDetection(const QString &errorMessage) +{ + if (detectionRunning) { + stopSession(errorMessage); + detectionRunning = false; + Q_EMIT targetDetectionStopped(); + } +} + + +void QNearFieldManagerPrivateImpl::startSession() +{ + if (detectionRunning) + if (@available(iOS 13, *)) + [delegate startSession]; +} + +void QNearFieldManagerPrivateImpl::stopSession(const QString &error) +{ + clearTargets(); + + if (@available(iOS 13, *)) + [delegate stopSession:error]; +} + +void QNearFieldManagerPrivateImpl::clearTargets() +{ + auto i = detectedTargets.begin(); + while (i != detectedTargets.end()) { + (*i)->invalidate(); + Q_EMIT targetLost((*i)->q_ptr); + i = detectedTargets.erase(i); + } +} + + +void QNearFieldManagerPrivateImpl::setUserInformation(const QString &message) +{ + if (@available(iOS 13, *)) + [delegate alertMessage:message]; +} + +void QNearFieldManagerPrivateImpl::onTagDiscovered(void *tag) +{ + QNearFieldTargetPrivateImpl *target = new QNearFieldTargetPrivateImpl(tag); + detectedTargets += target; + connect(target, &QNearFieldTargetPrivateImpl::targetLost, + this, &QNearFieldManagerPrivateImpl::onTargetLost); + Q_EMIT targetDetected(new NearFieldTarget(target, this)); +} + +void QNearFieldManagerPrivateImpl::onTargetLost(QNearFieldTargetPrivateImpl *target) +{ + detectedTargets.removeOne(target); + Q_EMIT targetLost(target->q_ptr); + + if (detectionRunning && detectedTargets.isEmpty()) + onDidInvalidateWithError(true); +} + +void QNearFieldManagerPrivateImpl::onDidInvalidateWithError(bool doRestart) +{ + clearTargets(); + + if (detectionRunning && doRestart) + { + if (!isRestarting) { + isRestarting = true; + using namespace std::chrono_literals; + QTimer::singleShot(2s, this, [this](){ + isRestarting = false; + startSession(); + }); + } + return; + } + + detectionRunning = false; + Q_EMIT targetDetectionStopped(); +} + +QT_END_NAMESPACE |