QtMobility Reference Documentation

Examples

remoteselector.cpp Example File

btfiletransfer/remoteselector.cpp 
 /****************************************************************************
 **
 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
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 ** This file is part of the Qt Mobility Components.
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 ** $QT_BEGIN_LICENSE:BSD$
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 **     from this software without specific prior written permission.
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 ****************************************************************************/

 #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"

 QTM_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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The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation.

Documentation sources may be obtained from www.qt-project.org.


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