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remoteselector.cpp Example File

btfiletransfer/remoteselector.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/
 **
 ** This file is part of the QtBluetooth module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "remoteselector.h"
 #include "ui_remoteselector.h"

 #include <qbluetoothdeviceinfo.h>
 #include <qbluetoothaddress.h>
 #include <qbluetoothtransferrequest.h>
 #include <qbluetoothtransferreply.h>
 #include <qbluetoothlocaldevice.h>

 #include <QMovie>
 #include <QMessageBox>
 #include <QFileDialog>
 #include <QCheckBox>

 #include "progress.h"
 #include "pindisplay.h"

 QTBLUETOOTH_USE_NAMESPACE

 RemoteSelector::RemoteSelector(QWidget *parent)
 :   QDialog(parent), ui(new Ui::RemoteSelector),
     m_discoveryAgent(new QBluetoothServiceDiscoveryAgent), m_localDevice(new QBluetoothLocalDevice), m_pindisplay(0)
 {
     ui->setupUi(this);

     connect(m_discoveryAgent, SIGNAL(serviceDiscovered(QBluetoothServiceInfo)),
             this, SLOT(serviceDiscovered(QBluetoothServiceInfo)));
     connect(m_discoveryAgent, SIGNAL(finished()), this, SLOT(discoveryFinished()));

     ui->remoteDevices->setColumnWidth(3, 75);
     ui->remoteDevices->setColumnWidth(4, 100);

     connect(m_localDevice, SIGNAL(pairingDisplayPinCode(const QBluetoothAddress &,QString)), this, SLOT(displayPin(const QBluetoothAddress &, QString)));
     connect(m_localDevice, SIGNAL(pairingDisplayConfirmation(QBluetoothAddress,QString)), this, SLOT(displayConfirmation(QBluetoothAddress,QString)));
     connect(m_localDevice, SIGNAL(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing)), this, SLOT(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing)));

     ui->busyWidget->setMovie(new QMovie(":/icons/busy.gif"));
     ui->busyWidget->movie()->start();

     ui->pairingBusy->setMovie(new QMovie(":/icons/pairing.gif"));
     ui->pairingBusy->hide();

     ui->remoteDevices->clearContents();
     ui->remoteDevices->setRowCount(0);

 }

 RemoteSelector::~RemoteSelector()
 {
     delete ui;
     delete m_discoveryAgent;
     delete m_localDevice;
 }

 void RemoteSelector::startDiscovery(const QBluetoothUuid &uuid)
 {
     ui->stopButton->setDisabled(false);
     if (m_discoveryAgent->isActive())
         m_discoveryAgent->stop();

     m_discoveryAgent->setUuidFilter(uuid);
     m_discoveryAgent->start();

     ui->status->setText(tr("Scanning..."));
     ui->busyWidget->show();
     ui->busyWidget->movie()->start();
 }

 QBluetoothServiceInfo RemoteSelector::service() const
 {
     return m_service;
 }

 void RemoteSelector::serviceDiscovered(const QBluetoothServiceInfo &serviceInfo)
 {
 #if 0
     qDebug() << "Discovered service on"
              << serviceInfo.device().name() << serviceInfo.device().address().toString();
     qDebug() << "\tService name:" << serviceInfo.serviceName();
     qDebug() << "\tDescription:"
              << serviceInfo.attribute(QBluetoothServiceInfo::ServiceDescription).toString();
     qDebug() << "\tProvider:"
              << serviceInfo.attribute(QBluetoothServiceInfo::ServiceProvider).toString();
     qDebug() << "\tL2CAP protocol service multiplexer:"
              << serviceInfo.protocolServiceMultiplexer();
     qDebug() << "\tRFCOMM server channel:" << serviceInfo.serverChannel();
 #endif

     QString remoteName;
     if (serviceInfo.device().name().isEmpty())
         remoteName = serviceInfo.device().address().toString();
     else
         remoteName = serviceInfo.device().name();

 //    QListWidgetItem *item =
 //        new QListWidgetItem(QString::fromLatin1("%1\t%2\t%3").arg(serviceInfo.device().address().toString(),
 //                                                             serviceInfo.device().name(), serviceInfo.serviceName()));

     QMutableMapIterator<int, QBluetoothServiceInfo> i(m_discoveredServices);
     while (i.hasNext()){
         i.next();
         if (serviceInfo.device().address() == i.value().device().address()){
             i.setValue(serviceInfo);
             return;
         }
     }

     int row = ui->remoteDevices->rowCount();
     ui->remoteDevices->insertRow(row);
     QTableWidgetItem *item = new QTableWidgetItem(serviceInfo.device().address().toString());
     ui->remoteDevices->setItem(row, 0, item);
     item = new QTableWidgetItem(serviceInfo.device().name());
     ui->remoteDevices->setItem(row, 1, item);
     item = new QTableWidgetItem(serviceInfo.serviceName());

     ui->remoteDevices->setItem(row, 2, item);

     QBluetoothLocalDevice::Pairing p;

     p = m_localDevice->pairingStatus(serviceInfo.device().address());

     ui->remoteDevices->blockSignals(true);

     item = new QTableWidgetItem();
     if ((p&QBluetoothLocalDevice::Paired) || (p&QBluetoothLocalDevice::AuthorizedPaired))
         item->setCheckState(Qt::Checked);
     else
         item->setCheckState(Qt::Unchecked);
     ui->remoteDevices->setItem(row, 3, item);

     item = new QTableWidgetItem();
     if (p&QBluetoothLocalDevice::AuthorizedPaired)
         item->setCheckState(Qt::Checked);
     else
         item->setCheckState(Qt::Unchecked);

     ui->remoteDevices->setItem(row, 4, item);

     ui->remoteDevices->blockSignals(false);

     m_discoveredServices.insert(row, serviceInfo);
 }

 void RemoteSelector::discoveryFinished()
 {
     ui->status->setText(tr("Select the device to send to."));
     ui->stopButton->setDisabled(true);
     ui->busyWidget->movie()->stop();
     ui->busyWidget->hide();
 }

 void RemoteSelector::startDiscovery()
 {
     startDiscovery(QBluetoothUuid(QBluetoothUuid::ObexObjectPush));
 }

 void RemoteSelector::on_refreshPB_clicked()
 {
     startDiscovery();
     ui->stopButton->setDisabled(false);
 }

 void RemoteSelector::on_fileSelectPB_clicked()
 {
     ui->fileName->setText(QFileDialog::getOpenFileName());
     if (m_service.isValid())
         ui->sendButton->setDisabled(false);
 }

 void RemoteSelector::on_sendButton_clicked()
 {
     QBluetoothTransferManager mgr;
     QBluetoothTransferRequest req(m_service.device().address());

     m_file = new QFile(ui->fileName->text());

     Progress *p = new Progress;
     p->setStatus("Sending to: " + m_service.device().name(), "Waiting for start");
     p->show();

     QBluetoothTransferReply *reply = mgr.put(req, m_file);
     if (reply->error()){
         qDebug() << "Failed to send file";
         delete reply;
         p->finished(reply);
         return;
     }

     connect(reply, SIGNAL(uploadProgress(qint64,qint64)), p, SLOT(uploadProgress(qint64,qint64)));
     connect(reply, SIGNAL(finished(QBluetoothTransferReply*)), p, SLOT(finished(QBluetoothTransferReply*)));
     connect(p, SIGNAL(rejected()), reply, SLOT(abort()));
 }

 void RemoteSelector::on_stopButton_clicked()
 {
     m_discoveryAgent->stop();
 }

 QString RemoteSelector::addressToName(const QBluetoothAddress &address)
 {
     QMapIterator<int, QBluetoothServiceInfo> i(m_discoveredServices);
     while (i.hasNext()){
         i.next();
         if (i.value().device().address() == address)
             return i.value().device().name();
     }
     return address.toString();
 }

 void RemoteSelector::displayPin(const QBluetoothAddress &address, QString pin)
 {
     if (m_pindisplay)
         m_pindisplay->deleteLater();
     m_pindisplay = new pinDisplay(QString("Enter pairing pin on: %1").arg(addressToName(address)), pin, this);
     m_pindisplay->show();
 }

 void RemoteSelector::displayConfirmation(const QBluetoothAddress &address, QString pin)
 {
     Q_UNUSED(address);

     if (m_pindisplay)
         m_pindisplay->deleteLater();
     m_pindisplay = new pinDisplay(QString("Confirm this pin is the same"), pin, this);
     connect(m_pindisplay, SIGNAL(accepted()), this, SLOT(displayConfAccepted()));
     connect(m_pindisplay, SIGNAL(rejected()), this, SLOT(displayConfReject()));
     m_pindisplay->setOkCancel();
     m_pindisplay->show();
 }

 void RemoteSelector::displayConfAccepted()
 {
     m_localDevice->pairingConfirmation(true);
 }
 void RemoteSelector::displayConfReject()
 {
     m_localDevice->pairingConfirmation(false);
 }

 void RemoteSelector::pairingFinished(const QBluetoothAddress &address, QBluetoothLocalDevice::Pairing status)
 {
     QBluetoothServiceInfo service;
     int row = 0;

     ui->pairingBusy->hide();
     ui->pairingBusy->movie()->stop();

     ui->remoteDevices->blockSignals(true);

     for (int i = 0; i < m_discoveredServices.count(); i++){
         if (m_discoveredServices.value(i).device().address() == address){
             service = m_discoveredServices.value(i);
             row = i;
             break;
         }
     }

     if (m_pindisplay)
         delete m_pindisplay;

     QMessageBox msgBox;
     if (status == QBluetoothLocalDevice::Paired ||
        status == QBluetoothLocalDevice::AuthorizedPaired){
         msgBox.setText("Paired successfully with" + address.toString());
     }
     else {
         msgBox.setText("Pairing failed with " + address.toString());
     }

     if (service.isValid()){
         if (status == QBluetoothLocalDevice::AuthorizedPaired){
             ui->remoteDevices->item(row, 3)->setCheckState(Qt::Checked);
             ui->remoteDevices->item(row, 4)->setCheckState(Qt::Checked);
         }
         else if (status == QBluetoothLocalDevice::Paired){
             ui->remoteDevices->item(row, 3)->setCheckState(Qt::Checked);
             ui->remoteDevices->item(row, 4)->setCheckState(Qt::Unchecked);
         }
         else {
             ui->remoteDevices->item(row, 3)->setCheckState(Qt::Unchecked);
             ui->remoteDevices->item(row, 4)->setCheckState(Qt::Unchecked);
         }
     }

     msgBox.exec();

     ui->remoteDevices->blockSignals(false);

 }

 void RemoteSelector::on_remoteDevices_cellClicked(int row, int column)
 {
     Q_UNUSED(column);

     m_service = m_discoveredServices.value(row);
     if (!ui->fileName->text().isEmpty()) {
         ui->sendButton->setDisabled(false);
     }
 }

 void RemoteSelector::on_remoteDevices_itemChanged(QTableWidgetItem* item)
 {
     int row = item->row();
     int column = item->column();
     m_service = m_discoveredServices.value(row);

     if (column < 3)
         return;

     if (item->checkState() == Qt::Unchecked && column == 3){
         m_localDevice->requestPairing(m_service.device().address(), QBluetoothLocalDevice::Unpaired);
         return; // don't continue and start movie
     }
     else if ((item->checkState() == Qt::Checked && column == 3) ||
             (item->checkState() == Qt::Unchecked && column == 4)){
         m_localDevice->requestPairing(m_service.device().address(), QBluetoothLocalDevice::Paired);
         ui->remoteDevices->blockSignals(true);
         ui->remoteDevices->item(row, column)->setCheckState(Qt::PartiallyChecked);
         ui->remoteDevices->blockSignals(false);
     }
     else if (item->checkState() == Qt::Checked && column == 4){
         m_localDevice->requestPairing(m_service.device().address(), QBluetoothLocalDevice::AuthorizedPaired);
         ui->remoteDevices->blockSignals(true);
         ui->remoteDevices->item(row, column)->setCheckState(Qt::PartiallyChecked);
         ui->remoteDevices->blockSignals(false);
     }
     ui->pairingBusy->show();
     ui->pairingBusy->movie()->start();
 }
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