mainwindow.cpp Example File

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  #include "mainwindow.h"
  #include <QWebEngineCookieStore>
  #include <QWebEngineProfile>

  CookieDialog::CookieDialog(const QNetworkCookie &cookie, QWidget *parent): QDialog(parent)
  {
      setupUi(this);
      m_nameLineEdit->setText(cookie.name());
      m_domainLineEdit->setText(cookie.domain());
      m_valueLineEdit->setText(cookie.value());
      m_pathLineEdit->setText(cookie.path());
      m_dateEdit->setDate(cookie.expirationDate().date());
      m_isSecureComboBox->addItem(cookie.isSecure() ? tr("yes") : tr("no"));
      m_isHttpOnlyComboBox->addItem(cookie.isHttpOnly() ? tr("yes") : tr("no"));
      m_addButton->setVisible(false);
      m_cancelButton->setText(tr("Close"));
  }

  CookieDialog::CookieDialog(QWidget *parent): QDialog(parent)
  {
      setupUi(this);
      m_nameLineEdit->setReadOnly(false);
      m_domainLineEdit->setReadOnly(false);
      m_valueLineEdit->setReadOnly(false);
      m_pathLineEdit->setReadOnly(false);
      m_dateEdit->setReadOnly(false);
      m_dateEdit->setDate(QDateTime::currentDateTime().addYears(1).date());
      m_isSecureComboBox->addItem(tr("no"));
      m_isSecureComboBox->addItem(tr("yes"));
      m_isHttpOnlyComboBox->addItem(tr("no"));
      m_isHttpOnlyComboBox->addItem(tr("yes"));
  }

  QNetworkCookie CookieDialog::cookie()
  {
      QNetworkCookie cookie;
      cookie.setDomain(m_domainLineEdit->text());
      cookie.setName(m_nameLineEdit->text().toLatin1());
      cookie.setValue(m_valueLineEdit->text().toLatin1());
      cookie.setExpirationDate(QDateTime(m_dateEdit->date()));
      cookie.setPath(m_pathLineEdit->text());
      cookie.setSecure(m_isSecureComboBox->currentText() == tr("yes"));
      cookie.setHttpOnly(m_isHttpOnlyComboBox->currentText() == tr("yes"));
      return cookie;
  }

  CookieWidget::CookieWidget(const QNetworkCookie &cookie, QWidget *parent): QWidget(parent)
  {
      setupUi(this);
      setAutoFillBackground(true);
      m_nameLabel->setText(cookie.name());
      m_domainLabel->setText(cookie.domain());
      connect(m_viewButton, &QPushButton::clicked, this, &CookieWidget::viewClicked);
      connect(m_deleteButton, &QPushButton::clicked, this, &CookieWidget::deleteClicked);
  }

  void CookieWidget::setHighlighted(bool enabled)
  {
      QPalette p = palette();
      p.setColor(backgroundRole(), enabled ? QColor(0xF0, 0xF8, 0xFF) : Qt::white);
      setPalette(p);
  }

  MainWindow::MainWindow(const QUrl &url) :
      QMainWindow(),
      m_store(nullptr),
      m_layout(new QVBoxLayout)
  {
      setupUi(this);
      m_urlLineEdit->setText(url.toString());

      m_layout->addItem(new QSpacerItem(0,0, QSizePolicy::Minimum, QSizePolicy::Expanding));
      m_layout->setContentsMargins(0, 0, 0, 0);
      m_layout->setSpacing(0);

      QWidget *w = new QWidget();
      QPalette p = w->palette();
      p.setColor(widget->backgroundRole(), Qt::white);
      w->setPalette(p);
      w->setLayout(m_layout);

      m_scrollArea->setWidget(w);
      m_scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
      m_scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);

      connect(m_urlButton, &QPushButton::clicked, this, &MainWindow::handleUrlClicked);
      connect(m_deleteAllButton, &QPushButton::clicked, this, &MainWindow::handleDeleteAllClicked);
      connect(m_newButton, &QPushButton::clicked, this, &MainWindow::handleNewClicked);

      m_store = m_webview->page()->profile()->cookieStore();
      connect(m_store, &QWebEngineCookieStore::cookieAdded, this, &MainWindow::handleCookieAdded);
      m_store->loadAllCookies();
      m_webview->load(url);
  }

  bool MainWindow::containsCookie(const QNetworkCookie &cookie)
  {
      for (auto c: m_cookies) {
          if (c.hasSameIdentifier(cookie))
              return true;
      }
      return false;
  }

  void MainWindow::handleCookieAdded(const QNetworkCookie &cookie)
  {
      // only new cookies
      if (containsCookie(cookie))
          return;

      CookieWidget *widget = new CookieWidget(cookie);
      widget->setHighlighted(m_cookies.count() % 2);
      m_cookies.append(cookie);
      m_layout->insertWidget(0,widget);

      connect(widget, &CookieWidget::deleteClicked, [this, cookie, widget]() {
          m_store->deleteCookie(cookie);
          delete widget;
          m_cookies.removeOne(cookie);
          for (int i = 0; i < m_layout->count() - 1; i++) {
              // fix background colors
              auto widget = qobject_cast<CookieWidget*>(m_layout->itemAt(i)->widget());
              widget->setHighlighted(i % 2);
          }
      });

      connect(widget, &CookieWidget::viewClicked, [cookie]() {
          CookieDialog dialog(cookie);
          dialog.exec();
      });
  }

  void MainWindow::handleDeleteAllClicked()
  {
      m_store->deleteAllCookies();
      for (int i = m_layout->count() - 1; i >= 0; i--)
          delete m_layout->itemAt(i)->widget();
      m_cookies.clear();
  }

  void MainWindow::handleNewClicked()
  {
      CookieDialog dialog;
      if (dialog.exec() == QDialog::Accepted)
          m_store->setCookie(dialog.cookie());
  }

  void MainWindow::handleUrlClicked()
  {
      m_webview->load(QUrl(m_urlLineEdit->text()));
  }