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#include "downloadwidget.h"
#include <QFileInfo>
#include <QUrl>
#include <QWebEngineDownloadItem>
DownloadWidget::DownloadWidget(QWebEngineDownloadItem *download,
QWidget *parent)
: QFrame(parent), m_download(download) {
setupUi(this);
m_dstName->setText(QFileInfo(m_download->downloadDirectory()).fileName());
m_srcUrl->setText(m_download->url().toDisplayString());
connect(m_cancelButton, &QPushButton::clicked, m_download, [this](bool) {
if (m_download->state() == QWebEngineDownloadItem::DownloadInProgress)
m_download->cancel();
else
emit removeClicked(this);
});
connect(m_download, &QWebEngineDownloadItem::downloadProgress, this,
&DownloadWidget::updateWidget);
connect(m_download, &QWebEngineDownloadItem::stateChanged, this,
&DownloadWidget::updateWidget);
updateWidget();
}
inline QString DownloadWidget::withUnit(qreal bytes) {
if (bytes < (1 << 10))
return tr("%L1 B").arg(bytes);
else if (bytes < (1 << 20))
return tr("%L1 KiB").arg(bytes / (1 << 10), 0, 'f', 2);
else if (bytes < (1 << 30))
return tr("%L1 MiB").arg(bytes / (1 << 20), 0, 'f', 2);
else
return tr("%L1 GiB").arg(bytes / (1 << 30), 0, 'f', 2);
}
void DownloadWidget::updateWidget() {
qreal totalBytes = m_download->totalBytes();
qreal receivedBytes = m_download->receivedBytes();
qreal bytesPerSecond = receivedBytes / m_timeAdded.elapsed() * 1000;
auto state = m_download->state();
switch (state) {
case QWebEngineDownloadItem::DownloadRequested:
Q_UNREACHABLE();
break;
case QWebEngineDownloadItem::DownloadInProgress:
if (totalBytes >= 0) {
m_progressBar->setValue(qRound(100 * receivedBytes / totalBytes));
m_progressBar->setDisabled(false);
m_progressBar->setFormat(tr("%p% - %1 of %2 downloaded - %3/s")
.arg(withUnit(receivedBytes),
withUnit(totalBytes),
withUnit(bytesPerSecond)));
} else {
m_progressBar->setValue(0);
m_progressBar->setDisabled(false);
m_progressBar->setFormat(
tr("unknown size - %1 downloaded - %2/s")
.arg(withUnit(receivedBytes), withUnit(bytesPerSecond)));
}
break;
case QWebEngineDownloadItem::DownloadCompleted:
m_progressBar->setValue(100);
m_progressBar->setDisabled(true);
m_progressBar->setFormat(
tr("completed - %1 downloaded - %2/s")
.arg(withUnit(receivedBytes), withUnit(bytesPerSecond)));
break;
case QWebEngineDownloadItem::DownloadCancelled:
m_progressBar->setValue(0);
m_progressBar->setDisabled(true);
m_progressBar->setFormat(
tr("cancelled - %1 downloaded - %2/s")
.arg(withUnit(receivedBytes), withUnit(bytesPerSecond)));
break;
case QWebEngineDownloadItem::DownloadInterrupted:
m_progressBar->setValue(0);
m_progressBar->setDisabled(true);
m_progressBar->setFormat(
tr("interrupted: %1").arg(m_download->interruptReasonString()));
break;
}
if (state == QWebEngineDownloadItem::DownloadInProgress) {
static QIcon cancelIcon(":/icons/stop-line.png");
m_cancelButton->setIcon(cancelIcon);
m_cancelButton->setToolTip(tr("Stop downloading"));
} else {
static QIcon removeIcon(":/icons/close-fill.png");
m_cancelButton->setIcon(removeIcon);
m_cancelButton->setToolTip(tr("Remove from list"));
}
}
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