webpage.cpp Example File

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  #include "browserwindow.h"
  #include "tabwidget.h"
  #include "ui_certificateerrordialog.h"
  #include "ui_passworddialog.h"
  #include "webpage.h"
  #include "webview.h"
  #include <QAuthenticator>
  #include <QMessageBox>

  WebPage::WebPage(QWebEngineProfile *profile, QObject *parent)
      : QWebEnginePage(profile, parent)
  {
      connect(this, &QWebEnginePage::authenticationRequired, this, &WebPage::handleAuthenticationRequired);
      connect(this, &QWebEnginePage::proxyAuthenticationRequired, this, &WebPage::handleProxyAuthenticationRequired);
  }

  bool WebPage::certificateError(const QWebEngineCertificateError &error)
  {
      QWidget *mainWindow = view()->window();
      if (error.isOverridable()) {
          QDialog dialog(mainWindow);
          dialog.setModal(true);
          dialog.setWindowFlags(dialog.windowFlags() & ~Qt::WindowContextHelpButtonHint);
          Ui::CertificateErrorDialog certificateDialog;
          certificateDialog.setupUi(&dialog);
          certificateDialog.m_iconLabel->setText(QString());
          QIcon icon(mainWindow->style()->standardIcon(QStyle::SP_MessageBoxWarning, 0, mainWindow));
          certificateDialog.m_iconLabel->setPixmap(icon.pixmap(32, 32));
          certificateDialog.m_errorLabel->setText(error.errorDescription());
          dialog.setWindowTitle(tr("Certificate Error"));
          return dialog.exec() == QDialog::Accepted;
      }

      QMessageBox::critical(mainWindow, tr("Certificate Error"), error.errorDescription());
      return false;
  }

  void WebPage::handleAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *auth)
  {
      QWidget *mainWindow = view()->window();
      QDialog dialog(mainWindow);
      dialog.setModal(true);
      dialog.setWindowFlags(dialog.windowFlags() & ~Qt::WindowContextHelpButtonHint);

      Ui::PasswordDialog passwordDialog;
      passwordDialog.setupUi(&dialog);

      passwordDialog.m_iconLabel->setText(QString());
      QIcon icon(mainWindow->style()->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mainWindow));
      passwordDialog.m_iconLabel->setPixmap(icon.pixmap(32, 32));

      QString introMessage(tr("Enter username and password for \"%1\" at %2")
                           .arg(auth->realm()).arg(requestUrl.toString().toHtmlEscaped()));
      passwordDialog.m_infoLabel->setText(introMessage);
      passwordDialog.m_infoLabel->setWordWrap(true);

      if (dialog.exec() == QDialog::Accepted) {
          auth->setUser(passwordDialog.m_userNameLineEdit->text());
          auth->setPassword(passwordDialog.m_passwordLineEdit->text());
      } else {
          // Set authenticator null if dialog is cancelled
          *auth = QAuthenticator();
      }
  }

  void WebPage::handleProxyAuthenticationRequired(const QUrl &, QAuthenticator *auth, const QString &proxyHost)
  {
      QWidget *mainWindow = view()->window();
      QDialog dialog(mainWindow);
      dialog.setModal(true);
      dialog.setWindowFlags(dialog.windowFlags() & ~Qt::WindowContextHelpButtonHint);

      Ui::PasswordDialog passwordDialog;
      passwordDialog.setupUi(&dialog);

      passwordDialog.m_iconLabel->setText(QString());
      QIcon icon(mainWindow->style()->standardIcon(QStyle::SP_MessageBoxQuestion, 0, mainWindow));
      passwordDialog.m_iconLabel->setPixmap(icon.pixmap(32, 32));

      QString introMessage = tr("Connect to proxy \"%1\" using:");
      introMessage = introMessage.arg(proxyHost.toHtmlEscaped());
      passwordDialog.m_infoLabel->setText(introMessage);
      passwordDialog.m_infoLabel->setWordWrap(true);

      if (dialog.exec() == QDialog::Accepted) {
          auth->setUser(passwordDialog.m_userNameLineEdit->text());
          auth->setPassword(passwordDialog.m_passwordLineEdit->text());
      } else {
          // Set authenticator null if dialog is cancelled
          *auth = QAuthenticator();
      }
  }