362 lines
11 KiB
C++
362 lines
11 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtNfc module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include "textrecordeditor.h"
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#include "urirecordeditor.h"
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#include "mimeimagerecordeditor.h"
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#include <QtCore/QTime>
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#include <QMenu>
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#include <QVBoxLayout>
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#include <QFrame>
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#include <QLabel>
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#include <QFileDialog>
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#include <qnearfieldmanager.h>
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#include <qnearfieldtarget.h>
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#include <qndefrecord.h>
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#include <qndefnfctextrecord.h>
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#include <qndefnfcurirecord.h>
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#include <qndefmessage.h>
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#include <QtCore/QDebug>
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class EmptyRecordLabel : public QLabel
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{
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Q_OBJECT
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public:
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EmptyRecordLabel() : QLabel(tr("Empty Record")) { }
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~EmptyRecordLabel() { }
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void setRecord(const QNdefRecord &record)
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{
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Q_UNUSED(record);
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}
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QNdefRecord record() const
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{
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return QNdefRecord();
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}
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};
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class UnknownRecordLabel : public QLabel
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{
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Q_OBJECT
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public:
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UnknownRecordLabel() : QLabel(tr("Unknown Record Type")) { }
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~UnknownRecordLabel() { }
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void setRecord(const QNdefRecord &record) { m_record = record; }
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QNdefRecord record() const { return m_record; }
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private:
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QNdefRecord m_record;
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};
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template <typename T>
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void addRecord(Ui::MainWindow *ui, const QNdefRecord &record = QNdefRecord())
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{
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QVBoxLayout *vbox = qobject_cast<QVBoxLayout *>(ui->scrollAreaWidgetContents->layout());
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if (!vbox)
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return;
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if (!vbox->isEmpty()) {
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QFrame *hline = new QFrame;
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hline->setFrameShape(QFrame::HLine);
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hline->setObjectName(QLatin1String("line-spacer"));
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vbox->addWidget(hline);
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}
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T *recordEditor = new T;
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recordEditor->setObjectName(QLatin1String("record-editor"));
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if (!record.isEmpty())
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recordEditor->setRecord(record);
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vbox->addWidget(recordEditor);
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}
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent), ui(new Ui::MainWindow), m_manager(new QNearFieldManager(this)),
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m_touchAction(NoAction)
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{
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ui->setupUi(this);
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QMenu *addRecordMenu = new QMenu(this);
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addRecordMenu->addAction(tr("NFC Text Record"), this, SLOT(addNfcTextRecord()));
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addRecordMenu->addAction(tr("NFC URI Record"), this, SLOT(addNfcUriRecord()));
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addRecordMenu->addAction(tr("MIME Image Record"), this, SLOT(addMimeImageRecord()));
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addRecordMenu->addAction(tr("Empty Record"), this, SLOT(addEmptyRecord()));
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ui->addRecord->setMenu(addRecordMenu);
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QVBoxLayout *vbox = new QVBoxLayout;
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ui->scrollAreaWidgetContents->setLayout(vbox);
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connect(m_manager, SIGNAL(targetDetected(QNearFieldTarget*)),
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this, SLOT(targetDetected(QNearFieldTarget*)));
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connect(m_manager, SIGNAL(targetLost(QNearFieldTarget*)),
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this, SLOT(targetLost(QNearFieldTarget*)));
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::addNfcTextRecord()
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{
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addRecord<TextRecordEditor>(ui);
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}
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void MainWindow::addNfcUriRecord()
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{
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addRecord<UriRecordEditor>(ui);
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}
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void MainWindow::addMimeImageRecord()
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{
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addRecord<MimeImageRecordEditor>(ui);
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}
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void MainWindow::addEmptyRecord()
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{
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addRecord<EmptyRecordLabel>(ui);
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}
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void MainWindow::loadMessage()
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{
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QString filename = QFileDialog::getOpenFileName(this, tr("Select NDEF Message"));
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if (filename.isEmpty())
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return;
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QFile file(filename);
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if (!file.open(QIODevice::ReadOnly))
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return;
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QByteArray ndef = file.readAll();
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ndefMessageRead(QNdefMessage::fromByteArray(ndef));
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file.close();
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}
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void MainWindow::saveMessage()
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{
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QString filename = QFileDialog::getSaveFileName(this, tr("Select NDEF Message"));
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if (filename.isEmpty())
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return;
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QFile file(filename);
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if (!file.open(QIODevice::WriteOnly))
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return;
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file.write(ndefMessage().toByteArray());
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file.close();
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}
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void MainWindow::touchReceive()
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{
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ui->status->setStyleSheet(QLatin1String("background: blue"));
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m_touchAction = ReadNdef;
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m_manager->setTargetAccessModes(QNearFieldManager::NdefReadTargetAccess);
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m_manager->startTargetDetection();
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}
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void MainWindow::touchStore()
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{
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ui->status->setStyleSheet(QLatin1String("background: yellow"));
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m_touchAction = WriteNdef;
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m_manager->setTargetAccessModes(QNearFieldManager::NdefWriteTargetAccess);
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m_manager->startTargetDetection();
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}
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void MainWindow::targetDetected(QNearFieldTarget *target)
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{
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switch (m_touchAction) {
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case NoAction:
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break;
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case ReadNdef:
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connect(target, SIGNAL(ndefMessageRead(QNdefMessage)),
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this, SLOT(ndefMessageRead(QNdefMessage)));
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connect(target, SIGNAL(error(QNearFieldTarget::Error,QNearFieldTarget::RequestId)),
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this, SLOT(targetError(QNearFieldTarget::Error,QNearFieldTarget::RequestId)));
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m_request = target->readNdefMessages();
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break;
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case WriteNdef:
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connect(target, SIGNAL(ndefMessagesWritten()), this, SLOT(ndefMessageWritten()));
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connect(target, SIGNAL(error(QNearFieldTarget::Error,QNearFieldTarget::RequestId)),
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this, SLOT(targetError(QNearFieldTarget::Error,QNearFieldTarget::RequestId)));
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m_request = target->writeNdefMessages(QList<QNdefMessage>() << ndefMessage());
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break;
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}
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}
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void MainWindow::targetLost(QNearFieldTarget *target)
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{
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target->deleteLater();
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}
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void MainWindow::ndefMessageRead(const QNdefMessage &message)
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{
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clearMessage();
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foreach (const QNdefRecord &record, message) {
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if (record.isRecordType<QNdefNfcTextRecord>()) {
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addRecord<TextRecordEditor>(ui, record);
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} else if (record.isRecordType<QNdefNfcUriRecord>()) {
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addRecord<UriRecordEditor>(ui, record);
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} else if (record.typeNameFormat() == QNdefRecord::Mime &&
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record.type().startsWith("image/")) {
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addRecord<MimeImageRecordEditor>(ui, record);
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} else if (record.isEmpty()) {
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addRecord<EmptyRecordLabel>(ui);
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} else {
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addRecord<UnknownRecordLabel>(ui, record);
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}
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}
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ui->status->setStyleSheet(QString());
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m_manager->setTargetAccessModes(QNearFieldManager::NoTargetAccess);
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m_manager->stopTargetDetection();
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m_request = QNearFieldTarget::RequestId();
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ui->statusBar->clearMessage();
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}
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void MainWindow::ndefMessageWritten()
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{
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ui->status->setStyleSheet(QString());
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m_manager->setTargetAccessModes(QNearFieldManager::NoTargetAccess);
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m_manager->stopTargetDetection();
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m_request = QNearFieldTarget::RequestId();
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ui->statusBar->clearMessage();
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}
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void MainWindow::targetError(QNearFieldTarget::Error error, const QNearFieldTarget::RequestId &id)
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{
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Q_UNUSED(error);
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Q_UNUSED(id);
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if (m_request == id) {
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switch (error) {
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case QNearFieldTarget::NoError:
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ui->statusBar->clearMessage();
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break;
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case QNearFieldTarget::UnsupportedError:
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ui->statusBar->showMessage(tr("Unsupported tag"));
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break;
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case QNearFieldTarget::TargetOutOfRangeError:
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ui->statusBar->showMessage(tr("Tag removed from field"));
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break;
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case QNearFieldTarget::NoResponseError:
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ui->statusBar->showMessage(tr("No response from tag"));
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break;
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case QNearFieldTarget::ChecksumMismatchError:
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ui->statusBar->showMessage(tr("Checksum mismatch"));
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break;
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case QNearFieldTarget::InvalidParametersError:
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ui->statusBar->showMessage(tr("Invalid parameters"));
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break;
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case QNearFieldTarget::NdefReadError:
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ui->statusBar->showMessage(tr("NDEF read error"));
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break;
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case QNearFieldTarget::NdefWriteError:
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ui->statusBar->showMessage(tr("NDEF write error"));
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break;
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default:
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ui->statusBar->showMessage(tr("Unknown error"));
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}
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ui->status->setStyleSheet(QString());
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m_manager->setTargetAccessModes(QNearFieldManager::NoTargetAccess);
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m_manager->stopTargetDetection();
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m_request = QNearFieldTarget::RequestId();
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}
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}
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void MainWindow::clearMessage()
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{
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QWidget *scrollArea = ui->scrollAreaWidgetContents;
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qDeleteAll(scrollArea->findChildren<QWidget *>(QLatin1String("line-spacer")));
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qDeleteAll(scrollArea->findChildren<QWidget *>(QLatin1String("record-editor")));
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}
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QNdefMessage MainWindow::ndefMessage() const
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{
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QVBoxLayout *vbox = qobject_cast<QVBoxLayout *>(ui->scrollAreaWidgetContents->layout());
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if (!vbox)
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return QNdefMessage();
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QNdefMessage message;
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for (int i = 0; i < vbox->count(); ++i) {
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QWidget *widget = vbox->itemAt(i)->widget();
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if (TextRecordEditor *editor = qobject_cast<TextRecordEditor *>(widget)) {
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message.append(editor->record());
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} else if (UriRecordEditor *editor = qobject_cast<UriRecordEditor *>(widget)) {
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message.append(editor->record());
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} else if (MimeImageRecordEditor *editor = qobject_cast<MimeImageRecordEditor *>(widget)) {
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message.append(editor->record());
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} else if (qobject_cast<EmptyRecordLabel *>(widget)) {
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message.append(QNdefRecord());
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} else if (UnknownRecordLabel *label = qobject_cast<UnknownRecordLabel *>(widget)) {
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message.append(label->record());
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}
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}
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return message;
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}
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#include "mainwindow.moc"
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