void RefImage::downloadImage()
{
m_imageReply = downloadManager()->get(QNetworkRequest(uri()));
connect(imageReply(),SIGNAL(finished()),this,SLOT(imageFromReply()));
thumbItem()->startDownload();
connect(imageReply(),SIGNAL(downloadProgress(qint64,qint64)),thumbItem(),SLOT(updateDownloadProgress(qint64,qint64)));
}
void Pulsars::startDownload(QString urlString)
{
QUrl url(urlString);
if (!url.isValid() || url.isRelative() || !url.scheme().startsWith("http", Qt::CaseInsensitive))
{
qWarning() << "[Pulsars] Invalid URL:" << urlString;
return;
}
if (progressBar == Q_NULLPTR)
progressBar = StelApp::getInstance().addProgressBar();
progressBar->setValue(0);
progressBar->setRange(0, 0);
connect(networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(downloadComplete(QNetworkReply*)));
QNetworkRequest request;
request.setUrl(QUrl(updateUrl));
request.setRawHeader("User-Agent", StelUtils::getUserAgentString().toUtf8());
#if QT_VERSION >= 0x050600
request.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
#endif
downloadReply = networkManager->get(request);
connect(downloadReply, SIGNAL(downloadProgress(qint64,qint64)), this, SLOT(updateDownloadProgress(qint64,qint64)));
updateState = Pulsars::Updating;
emit(updateStateChanged(updateState));
}
void Pulsars::deleteDownloadProgressBar()
{
disconnect(this, SLOT(updateDownloadProgress(qint64,qint64)));
if (progressBar)
{
StelApp::getInstance().removeProgressBar(progressBar);
progressBar = Q_NULLPTR;
}
}
void ConfigGui::startRequest(QUrl url)
{
// emits the readyRead() signal whenever new data arrives.
reply = manager->get(QNetworkRequest(url));
// Whenever more data is received from the network, this readyRead() signal is emitted
QObject::connect(reply, SIGNAL(readyRead()), this, SLOT(httpReadyRead()));
// Also, downloadProgress() signal is emitted when data is received
connect(reply, SIGNAL(downloadProgress(qint64,qint64)),
this, SLOT(updateDownloadProgress(qint64,qint64)));
// This signal is emitted when the reply has finished processing.
QObject::connect(reply, SIGNAL(finished()), this, SLOT(httpDownloadFinished()));
}
// This will be called when download button is clicked
void Downloader::startRequest(QUrl url)
{
downloadProgress = 0;
downloadFinished = false;
// Create a timer to handle hung download requests
downloadTimer = new QTimer(this);
connect(downloadTimer, SIGNAL(timeout()), this, SLOT(timerCheckDownloadProgress()));
downloadTimer->start(30000);
// get() method posts a request
// to obtain the contents of the target request
// and returns a new QNetworkReply object
// opened for reading which emits
// the readyRead() signal whenever new data arrives.
reply = manager->get(QNetworkRequest(url));
// Whenever more data is received from the network,
// this readyRead() signal is emitted
connect(reply, SIGNAL(readyRead()),
this, SLOT(httpReadyRead()));
// Also, downloadProgress() signal is emitted when data is received
connect(reply, SIGNAL(downloadProgress(qint64,qint64)),
this, SLOT(updateDownloadProgress(qint64,qint64)));
// This signal is emitted when the reply has finished processing.
// After this signal is emitted,
// there will be no more updates to the reply's data or metadata.
connect(reply, SIGNAL(finished()),
this, SLOT(downloaderFinished()));
if (!autoDownload)
{
ui->statusLabel->setText(tr("Downloading..."));
progressDialog->show();
}
}
void dbmanager::doDownload(const QVariant& v)
{
if (v.type() == QVariant::StringList) {
QNetworkAccessManager *manager= new QNetworkAccessManager(this);
QUrl url = v.toStringList().at(current);
filename = url.toString().remove("http://restbase.wikitolearn.org/en.wikitolearn.org/v1/media/math/render/svg/");
m_network_reply = manager->get(QNetworkRequest(QUrl(url)));
connect(m_network_reply, SIGNAL(downloadProgress (qint64, qint64)),this, SLOT(updateDownloadProgress(qint64, qint64))); // checks download progress
connect(m_network_reply,SIGNAL(finished()),this,SLOT(downloadFinished())); // signal that download is finished
}
}