mainwindow.cpp Example File

  /****************************************************************************
  **
  ** Copyright (C) 2017 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, you may use this file under the terms of the BSD license
  ** as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #include "mainwindow.h"

  #include <QMessageBox>

  MainWindow::MainWindow(QWidget *parent)
      : QMainWindow(parent)
      , m_view(new QWebEngineView(this))
  {
      setCentralWidget(m_view);

      QWebEnginePage *page = m_view->page();

      connect(page, &QWebEnginePage::featurePermissionRequested,
              [this, page](const QUrl &securityOrigin, QWebEnginePage::Feature feature) {
          if (feature != QWebEnginePage::Geolocation)
              return;

          QMessageBox msgBox(this);
          msgBox.setText(tr("%1 wants to know your location").arg(securityOrigin.host()));
          msgBox.setInformativeText(tr("Do you want to send your current location to this website?"));
          msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
          msgBox.setDefaultButton(QMessageBox::Yes);

          if (msgBox.exec() == QMessageBox::Yes) {
              page->setFeaturePermission(
                  securityOrigin, feature, QWebEnginePage::PermissionGrantedByUser);
          } else {
              page->setFeaturePermission(
                  securityOrigin, feature, QWebEnginePage::PermissionDeniedByUser);
          }
      });

      page->load(QUrl(QStringLiteral("https://maps.google.com")));
  }