99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
#include "downloaddialog.h"
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#include "ui_downloaddialog.h"
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#include <QTime>
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#include "helpers.h"
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downloadDialog::downloadDialog(QWidget *parent, QString src, QString tgt):
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QDialog(parent),
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ui(new Ui::downloadDialog),
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file(NULL)
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{
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ui->setupUi(this);
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setWindowIcon(CompanionIcon("fwpreferences.png"));
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ui->progressBar->setValue(1);
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ui->progressBar->setMinimum(0);
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ui->progressBar->setMaximum(0);
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if (tgt.isEmpty()) {
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setWindowTitle(src);
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return; // just show wait dialog.
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}
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file = new QFile(tgt);
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if (!file->open(QIODevice::WriteOnly)) {
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QMessageBox::critical(this, "Companion",
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tr("Unable to save the file %1: %2.")
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.arg(tgt).arg(file->errorString()));
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QTimer::singleShot(0, this, SLOT(fileError()));
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}
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else {
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reply = qnam.get(QNetworkRequest(QUrl(src)));
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connect(reply, SIGNAL(finished()), this, SLOT(httpFinished()));
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connect(reply, SIGNAL(readyRead()), this, SLOT(httpReadyRead()));
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connect(reply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(updateDataReadProgress(qint64,qint64)));
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}
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}
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downloadDialog::~downloadDialog()
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{
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delete ui;
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delete file;
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}
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void downloadDialog::httpFinished()
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{
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file->flush();
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file->close();
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bool ok = true;
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if (reply->error()) {
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file->remove();
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QMessageBox::information(this, tr("Companion"),
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tr("Download failed: %1.")
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.arg(reply->errorString()));
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ok = false;
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}
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reply->deleteLater();
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reply = 0;
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delete file;
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file = NULL;
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if (ok)
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accept();
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else
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reject();
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}
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void downloadDialog::httpReadyRead()
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{
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if (file) {
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file->write(reply->readAll());
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}
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}
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void downloadDialog::updateDataReadProgress(qint64 bytesRead, qint64 totalBytes)
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{
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ui->progressBar->setMaximum(totalBytes);
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ui->progressBar->setValue(bytesRead);
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}
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void downloadDialog::fileError()
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{
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delete file;
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file = NULL;
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reject();
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}
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#if 0
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void downloadDialog::closeEvent( QCloseEvent * event)
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{
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// Delay closing 2 seconds to avoid unpleasant flashing download dialogs
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QTime closeTime= QTime::currentTime().addSecs(2);
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while( QTime::currentTime() < closeTime )
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QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
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event->accept();
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}
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#endif
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