mainwindow.cpp Example File

webenginewidgets/cookiebrowser/mainwindow.cpp
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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::fromUserInput(m_urlLineEdit->text()));
 }