/*
- SPDX-FileCopyrightText: %{CURRENT_YEAR} %{AUTHOR} <%{EMAIL}>
+ * Copyright © 2022 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser PC <https://www.stoutner.com/privacy-browser-pc>.
+ *
+ * Privacy Browser PC is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser PC is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser PC. If not, see <http://www.gnu.org/licenses/>.
+ */
- SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
-*/
-
-// application headers
+// Application headers
+#include "browserwindow.h"
#include "mainview.h"
-
+#include "mouseeventfilter.h"
#include "settings.h"
-#include "privacybrowserdebug.h"
+// KDE Framework headers.
+#include <KLineEdit>
+
+// Qt headers.
+#include <QWebEngineHistory>
+#include <QWebEngineSettings>
+#include <QWebEngineView>
-MainView::MainView(QWidget *parent)
- : QWidget(parent)
+MainView::MainView(QWidget *parent) : QWidget(parent)
{
- m_ui.setupUi(this);
- handleSettingsChanged();
+ // Instantiate the mainview UI.
+ Ui::MainView mainViewUi;
+
+ // Setup the UI.
+ mainViewUi.setupUi(this);
+
+ // Get handles for the views.
+ backButtonPointer = mainViewUi.backButton;
+ forwardButtonPointer = mainViewUi.forwardButton;
+ QPushButton *homeButtonPointer = mainViewUi.homeButton;
+ urlLineEditPointer = mainViewUi.urlLineEdit;
+ javaScriptButtonPointer = mainViewUi.javaScript;
+ webEngineViewPointer = mainViewUi.webEngineView;
+
+ // Get handles for the aspects of the WebEngine.
+ QWebEnginePage *webEnginePagePointer = webEngineViewPointer->page();
+ webEngineHistoryPointer = webEnginePagePointer->history();
+ webEngineSettingsPointer = webEngineViewPointer->settings();
+
+ // Update the webengine view from the URL line edit.
+ connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrl(const QString)));
+
+ // Update the URL line edit form the webengine view.
+ connect(webEngineViewPointer, SIGNAL(loadStarted()), this, SLOT(updateInterface()));
+ connect(webEngineViewPointer, SIGNAL(loadProgress(int)), this, SLOT(updateInterface()));
+ connect(webEngineViewPointer, SIGNAL(loadFinished(bool)), this, SLOT(updateInterface()));
+
+ // Setup the URL bar buttons.
+ connect(backButtonPointer, SIGNAL(clicked()), webEngineViewPointer, SLOT(back()));
+ connect(forwardButtonPointer, SIGNAL(clicked()), webEngineViewPointer, SLOT(forward()));
+ connect(homeButtonPointer, SIGNAL(clicked()), this, SLOT(goHome()));
+ connect(javaScriptButtonPointer, SIGNAL(clicked()), this, SLOT(toggleJavaScript()));
+
+ // Instantiate the mouse event pointer.
+ MouseEventFilter *mouseEventFilterPointer = new MouseEventFilter(webEngineViewPointer);
+
+ // Install the mouse event filter.
+ qApp->installEventFilter(mouseEventFilterPointer);
+
+ // Listen for hovered link URLs.
+ connect(webEnginePagePointer, SIGNAL(linkHovered(QString)), this, SLOT(pageLinkHovered(QString)));
+
+ // Don't allow JavaScript to open windows.
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptCanOpenWindows, false);
+
+ // Set the zoom factor.
+ webEngineViewPointer->setZoomFactor(Settings::zoomFactor());
+
+ // Apply the application settings.
+ applyApplicationSettings();
+
+ // Apply the domain settings.
+ applyDomainSettings();
+
+ // Set the focus on the WebEngine view.
+ webEngineViewPointer->setFocus();
+
+ // Load the homepage.
+ goHome();
}
-MainView::~MainView()
+void MainView::applyApplicationSettings()
{
+ // TODO.
}
-void MainView::switchColors()
+void MainView::applyDomainSettings()
{
- // switch the foreground/background colors of the label
- QColor color = Settings::colorBackground();
- Settings::setColorBackground(Settings::colorForeground());
- Settings::setColorForeground(color);
+ // Set the JavaScript status.
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, Settings::javaScript());
- handleSettingsChanged();
+ // Update the JavaScript button.
+ if (Settings::javaScript())
+ {
+ javaScriptButtonPointer->setIcon(QIcon(":/icons/javascript-warning"));
+ }
+ else
+ {
+ javaScriptButtonPointer->setIcon(QIcon(":/icons/privacy-mode"));
+ }
+
+ // Reload the website.
+ webEngineViewPointer->reload();
}
-void MainView::handleSettingsChanged()
+void MainView::goHome()
{
- qCDebug(PRIVACYBROWSER) << "MainView::handleSettingsChanged()";
- QPalette palette = m_ui.templateLabel->palette();
- palette.setColor(QPalette::Window, Settings::colorBackground());
- palette.setColor(QPalette::WindowText, Settings::colorForeground());
- m_ui.templateLabel->setPalette(palette);
+ // Load the homepage. TODO. Consider sanitizing the homepage input and adding things like protocols if they are missing.
+ webEngineViewPointer->setUrl(Settings::homepage());
+}
+
+void MainView::loadUrl(const QString &urlFromUser)
+{
+ // Remove the focus from the URL line edit.
+ urlLineEditPointer->clearFocus();
+
+ // Load the URL, adding standard protocol sections if needed. TODO. Replace this with logic that prefers HTTPS.
+ webEngineViewPointer->setUrl(QUrl::fromUserInput(urlFromUser));
+}
+
+void MainView::pageLinkHovered(const QString &linkUrl)
+{
+ // Emit a signal so that the browser window can update the status bar.
+ emit linkHovered(linkUrl);
+}
+
+void MainView::toggleJavaScript()
+{
+ // Toggle JavaScript.
+ webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, !webEngineSettingsPointer->testAttribute(QWebEngineSettings::JavascriptEnabled));
+
+ // Update the JavaScript button.
+ if (webEngineSettingsPointer->testAttribute(QWebEngineSettings::JavascriptEnabled))
+ {
+ javaScriptButtonPointer->setIcon(QIcon(":/icons/javascript-warning"));
+ }
+ else
+ {
+ javaScriptButtonPointer->setIcon(QIcon(":/icons/privacy-mode"));
+ }
+
+ // Reload the website.
+ webEngineViewPointer->reload();
+}
+
+void MainView::updateInterface()
+{
+ // Update the URL line edit if it does not have focus.
+ if (!urlLineEditPointer->hasFocus())
+ {
+ // Update the URL line edit.
+ urlLineEditPointer->setUrl(webEngineViewPointer->url().toString());
+ }
+
+ // Update the status of the forward and back buttons.
+ backButtonPointer->setEnabled(webEngineHistoryPointer->canGoBack());
+ forwardButtonPointer->setEnabled(webEngineHistoryPointer->canGoForward());
- // i18n : internationalization
- m_ui.templateLabel->setText(i18n("This project is %1 days old", Settings::ageInDays()));
+ // Reapply the zoom factor. This is a bug in QWebEngineView that resets the zoom with every load. Hopefully it will be fixed in Qt6. <https://bugreports.qt.io/browse/QTBUG-51992>
+ webEngineViewPointer->setZoomFactor(Settings::zoomFactor());
}