Qt 5.9 | Qt WebEngine | WebEngine Widgets Simple Browser Example | downloadmanagerwidget.cpp Example File

Qt 5.9.9 Reference Documentation

# downloadmanagerwidget.cpp Example File

webenginewidgets/simplebrowser/downloadmanagerwidget.cpp

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      #include "downloadmanagerwidget.h"

      #include "browser.h"
      #include "browserwindow.h"
      #include "downloadwidget.h"

      #include <QFileDialog>
      #include <QWebEngineDownloadItem>

      DownloadManagerWidget::DownloadManagerWidget(QWidget *parent)
          : QWidget(parent)
          , m_numDownloads(0)
      {
          setupUi(this);
      }

      void DownloadManagerWidget::downloadRequested(QWebEngineDownloadItem *download)
      {
          Q_ASSERT(download && download->state() == QWebEngineDownloadItem::DownloadRequested);

          QString path = QFileDialog::getSaveFileName(this, tr("Save as"), download->path());
          if (path.isEmpty())
              return;

          download->setPath(path);
          download->accept();
          add(new DownloadWidget(download));

          show();
      }

      void DownloadManagerWidget::add(DownloadWidget *downloadWidget)
      {
          connect(downloadWidget, &DownloadWidget::removeClicked, this, &DownloadManagerWidget::remove);
          m_itemsLayout->insertWidget(0, downloadWidget, 0, Qt::AlignTop);
          if (m_numDownloads++ == 0)
              m_zeroItemsLabel->hide();
      }

      void DownloadManagerWidget::remove(DownloadWidget *downloadWidget)
      {
          m_itemsLayout->removeWidget(downloadWidget);
          downloadWidget->deleteLater();
          if (--m_numDownloads == 0)
              m_zeroItemsLabel->show();
      }