progress.cpp Example File

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  #include "progress.h"
  #include "ui_progress.h"

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

  QT_USE_NAMESPACE

  Progress::Progress(QWidget *parent) :
      QDialog(parent),
      ui(new Ui::Progress)
  {
      ui->setupUi(this);
      ui->progressBar->setRange(0, 1);
      connect(ui->cancelButton, SIGNAL(clicked()), this, SLOT(close()));
  }

  Progress::~Progress()
  {
      delete ui;
  }

  void Progress::setStatus(QString title, QString filename) {
      ui->titleLabel->setText(title);
      ui->statusLabel->setText(filename);
  }

  void Progress::finished(QBluetoothTransferReply *reply){
      if (reply->error() != QBluetoothTransferReply::NoError){
          ui->progressBar->setDisabled(true);
          ui->statusLabel->setText(tr("Failed: %1").arg(reply->errorString()));
      }
      else {
          ui->statusLabel->setText(tr("Transfer complete"));
      }
      ui->cancelButton->setText(tr("Dismiss"));
  }

  void Progress::uploadProgress(qint64 bytesSent, qint64 bytesTotal)
  {
      if (bytesSent == 0){
          start.start();
      }

      ui->progressBar->setMaximum(bytesTotal);
      ui->progressBar->setValue(bytesSent);
      if (bytesSent && bytesTotal &&
              (start.elapsed() > 1000) &&
              (bytesSent > start.elapsed()/1000)) {

          ui->statusLabel->setText(tr("Transferring...ETA: %1s")
                  .arg(((bytesTotal-bytesSent)/(bytesSent/(start.elapsed()/1000)))));
      }
  }