コード例 #1
0
void MagnatuneDownloadDialog::DownloadFinished() {
  QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
  reply->deleteLater();

  // Close any open file
  download_file_.reset();

  QUrl redirect = reply->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl();
  if (redirect.isValid()) {
    // Open the output file
    QString output_filename = GetOutputFilename();
    download_file_.reset(new QFile(output_filename));
    if (!download_file_->open(QIODevice::WriteOnly)) {
      ShowError(tr("Couldn't open output file %1").arg(output_filename));
      return;
    }

    // Round and round we go
    redirect.setUserName(service_->username());
    redirect.setPassword(service_->password());

    current_reply_ = network_->get(QNetworkRequest(redirect));

    connect(current_reply_, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(Error(QNetworkReply::NetworkError)));
    connect(current_reply_, SIGNAL(finished()), SLOT(DownloadFinished()));
    connect(current_reply_, SIGNAL(downloadProgress(qint64,qint64)), SLOT(DownloadProgress(qint64,qint64)));
    connect(current_reply_, SIGNAL(readyRead()), SLOT(DownloadReadyRead()));
    return;
  }

  next_row_ ++;
  DownloadNext();
}
コード例 #2
0
void MagnatuneDownloadDialog::MetadataFinished() {
  QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
  reply->deleteLater();

  // The reply isn't valid XML so we can't use QtXML to parse it :(
  QString data = QString::fromUtf8(reply->readAll());

  // Check for errors
  if (data.contains("<ERROR>")) {
    ShowError(tr("There was a problem fetching the metadata from Magnatune"));
    return;
  }

  // Work out what format we want
  QString type;
  switch (ui_->format->currentIndex()) {
    case MagnatuneService::Format_Ogg:     type = "URL_OGGZIP";    break;
    case MagnatuneService::Format_Flac:    type = "URL_FLACZIP";   break;
    case MagnatuneService::Format_Wav:     type = "URL_WAVZIP";    break;
    case MagnatuneService::Format_MP3_VBR: type = "URL_VBRZIP";    break;
    case MagnatuneService::Format_MP3_128: type = "URL_128KMP3ZIP"; break;
  }

  // Parse the XML (lol) to find the URL
  QRegExp re(QString("<%1>([^<]+)</%2>").arg(type, type));
  if (re.indexIn(data) == -1) {
    ShowError(tr("This album is not available in the requested format"));
    return;
  }

  // Munge the URL a bit
  QString url_text = Utilities::DecodeHtmlEntities(re.cap(1));

  QUrl url = QUrl(url_text);
  url.setUserName(service_->username());
  url.setPassword(service_->password());

  qLog(Debug) << "Downloading" << url;

  // Start the actual download
  current_reply_ = network_->get(QNetworkRequest(url));

  connect(current_reply_, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(Error(QNetworkReply::NetworkError)));
  connect(current_reply_, SIGNAL(finished()), SLOT(DownloadFinished()));
  connect(current_reply_, SIGNAL(downloadProgress(qint64,qint64)), SLOT(DownloadProgress(qint64,qint64)));
  connect(current_reply_, SIGNAL(readyRead()), SLOT(DownloadReadyRead()));

  // Close any open file
  download_file_.reset();

  // Open the output file
  QString output_filename = GetOutputFilename();
  download_file_.reset(new QFile(output_filename));
  if (!download_file_->open(QIODevice::WriteOnly)) {
    ShowError(tr("Couldn't open output file %1").arg(output_filename));
  }
}