+++ /dev/null
-/*
- * 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/>.
- */
-
-// Application headers.
-#include "BrowserView.h"
-#include "MouseEventFilter.h"
-#include "Settings.h"
-#include "ui_BrowserView.h"
-#include "UrlRequestInterceptor.h"
-#include "dialogs/DomainSettingsDialog.h"
-#include "helpers/DomainsDatabaseHelper.h"
-#include "helpers/SearchEngineHelper.h"
-#include "helpers/UserAgentHelper.h"
-#include "windows/BrowserWindow.h"
-
-// Qt framework headers.
-#include <QAction>
-#include <QWebEngineProfile>
-
-BrowserView::BrowserView(QWidget *parent) : QWidget(parent)
-{
- // Instantiate the browser view UI.
- Ui::BrowserView browserViewUi;
-
- // Setup the UI.
- browserViewUi.setupUi(this);
-
- // Get handles for the views.
- backButtonPointer = browserViewUi.backButton;
- forwardButtonPointer = browserViewUi.forwardButton;
- QPushButton *refreshButtonPointer = browserViewUi.refreshButton;
- QPushButton *homeButtonPointer = browserViewUi.homeButton;
- urlLineEditPointer = browserViewUi.urlLineEdit;
- javaScriptButtonPointer = browserViewUi.javaScript;
- QPushButton *domainSettingsButtonPointer = browserViewUi.domainSettingsButton;
- webEngineViewPointer = browserViewUi.webEngineView;
-
- // Get handles for the aspects of the WebEngine.
- QWebEnginePage *webEnginePagePointer = webEngineViewPointer->page();
- webEngineHistoryPointer = webEnginePagePointer->history();
- webEngineProfilePointer = webEnginePagePointer->profile();
- webEngineSettingsPointer = webEngineViewPointer->settings();
-
- // Update the webengine view from the URL line edit.
- connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrlFromTextBox(const QString)));
-
- // Update the URL line edit form the webengine view.
- connect(webEngineViewPointer, SIGNAL(loadStarted()), this, SLOT(updateInterface()));
- connect(webEngineViewPointer, SIGNAL(loadProgress(const int)), this, SLOT(updateInterface()));
- connect(webEngineViewPointer, SIGNAL(loadFinished(const bool)), this, SLOT(updateInterface()));
-
- // Setup the URL bar buttons.
- connect(backButtonPointer, SIGNAL(clicked()), webEngineViewPointer, SLOT(back()));
- connect(forwardButtonPointer, SIGNAL(clicked()), webEngineViewPointer, SLOT(forward()));
- connect(refreshButtonPointer, SIGNAL(clicked()), webEngineViewPointer, SLOT(reload()));
- connect(homeButtonPointer, SIGNAL(clicked()), this, SLOT(goHome()));
- connect(javaScriptButtonPointer, SIGNAL(clicked()), this, SLOT(toggleJavaScript()));
- connect(domainSettingsButtonPointer, SIGNAL(clicked()), this, SLOT(openDomainSettings()));
-
- // Get the URL line edit palettes.
- noDomainSettingsPalette = urlLineEditPointer->palette();
- domainSettingsPalette = urlLineEditPointer->palette();
-
- // Modify the domain settings palette.
- domainSettingsPalette.setColor(QPalette::Base, Qt::green);
-
- // 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(const QString)), this, SLOT(pageLinkHovered(const QString)));
-
- // Instantiate the URL request interceptor.
- UrlRequestInterceptor *urlRequestInterceptorPointer = new UrlRequestInterceptor();
-
- // Set the URL request interceptor.
- webEngineProfilePointer->setUrlRequestInterceptor(urlRequestInterceptorPointer);
-
- // Reapply the domain settings when the host changes.
- connect(urlRequestInterceptorPointer, SIGNAL(applyDomainSettings(QString)), this, SLOT(applyDomainSettingsWithoutReloading(QString)));
-
- // Disable the cache.
- webEngineProfilePointer->setHttpCacheType(QWebEngineProfile::NoCache);
-
- // Don't allow JavaScript to open windows.
- webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptCanOpenWindows, false);
-
- // Set the focus on the WebEngine view.
- webEngineViewPointer->setFocus();
-}
-
-void BrowserView::applyApplicationSettings()
-{
- // Set the search engine URL.
- searchEngineUrl = SearchEngineHelper::getSearchUrl(Settings::searchEngine());
-
- // Emit the search engine updated signal, which causes the on-the-fly menu to be updated.
- emit searchEngineUpdated(Settings::searchEngine());
-}
-
-// This exists as a separate function from `applyDomainSettings()` so it can be listed as a slot and function without the need for a boolean argument.
-void BrowserView::applyDomainSettingsAndReload() const
-{
- // Apply the domain settings. `true` reloads the website.
- applyDomainSettings(webEngineViewPointer->url().host(), true);
-}
-
-// This exists as a separate function from `applyDomainSettings()` so it can be listed as a slot and function without the need for a boolean argument.
-void BrowserView::applyDomainSettingsWithoutReloading(const QString &hostname) const
-{
- // Apply the domain settings `false` does not reload the website.
- applyDomainSettings(hostname, false);
-}
-
-void BrowserView::applyDomainSettings(const QString &hostname, const bool reloadWebsite) const
-{
- // Get the record for the hostname.
- QSqlQuery domainQuery = DomainsDatabaseHelper::getDomainQuery(hostname);
-
- // Check if the hostname has domain settings.
- if (domainQuery.isValid()) // The hostname has domain settings.
- {
-
-
- // Get the domain record.
- QSqlRecord domainRecord = domainQuery.record();
-
- // Set the JavaScript status.
- switch (domainRecord.field(DomainsDatabaseHelper::JAVASCRIPT).value().toInt())
- {
- case (DomainsDatabaseHelper::SYSTEM_DEFAULT):
- {
- // Set the default JavaScript status.
- webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, Settings::javaScript());
-
- break;
- }
-
- case (DomainsDatabaseHelper::DISABLED):
- {
- // Disable JavaScript.
- webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
-
- break;
- }
-
- case (DomainsDatabaseHelper::ENABLED):
- {
- // Enable JavaScript.
- webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, true);
-
- break;
- }
- }
-
- // Apply the user agent.
- webEngineProfilePointer->setHttpUserAgent(UserAgentHelper::getUserAgent(Settings::userAgent()));
-
- // Set the zoom factor.
- webEngineViewPointer->setZoomFactor(Settings::zoomFactor());
-
- // Apply the domain settings palette to the URL line edit.
- urlLineEditPointer->setPalette(domainSettingsPalette);
- }
- else // The hostname does not have domain settings.
- {
- // Set the JavaScript status.
- webEngineSettingsPointer->setAttribute(QWebEngineSettings::JavascriptEnabled, Settings::javaScript());
-
- // Apply the user agent.
- webEngineProfilePointer->setHttpUserAgent(UserAgentHelper::getUserAgent(Settings::userAgent()));
-
- // Set the zoom factor.
- webEngineViewPointer->setZoomFactor(Settings::zoomFactor());
-
- // Apply the no domain settings palette to the URL line edit.
- urlLineEditPointer->setPalette(noDomainSettingsPalette);
- }
-
- // Update the JavaScript button.
- if (webEngineSettingsPointer->testAttribute(QWebEngineSettings::JavascriptEnabled))
- {
- javaScriptButtonPointer->setIcon(QIcon(":/icons/javascript-warning"));
- }
- else
- {
- javaScriptButtonPointer->setIcon(QIcon(":/icons/privacy-mode"));
- }
-
- // Emit the on-the-fly menu update signals.
- emit userAgentUpdated(Settings::userAgent());
- emit zoomFactorUpdated(Settings::zoomFactor());
-
- // Reload the website if requested.
- if (reloadWebsite)
- {
- webEngineViewPointer->reload();
- }
-}
-
-void BrowserView::applyOnTheFlySearchEngine(QAction *searchEngineActionPointer)
-{
- // Store the search engine name.
- QString searchEngineName = searchEngineActionPointer->text();
-
- // Strip out any `&` characters.
- searchEngineName.remove('&');
-
- // Store the search engine string.
- searchEngineUrl = SearchEngineHelper::getSearchUrl(searchEngineName);
-}
-
-void BrowserView::applyOnTheFlyUserAgent(QAction *userAgentActionPointer) const
-{
- // Get the user agent name.
- QString userAgentName = userAgentActionPointer->text();
-
- // Strip out any `&` characters.
- userAgentName.remove('&');
-
- // Apply the user agent.
- webEngineProfilePointer->setHttpUserAgent(UserAgentHelper::getUserAgent(userAgentName));
-
- // Reload the website.
- webEngineViewPointer->reload();
-}
-
-void BrowserView::applyOnTheFlyZoomFactor(const double &zoomFactor) const
-{
- // Set the zoom factor.
- webEngineViewPointer->setZoomFactor(zoomFactor);
-}
-
-void BrowserView::goHome() const
-{
- // Load the homepage.
- webEngineViewPointer->setUrl(QUrl::fromUserInput(Settings::homepage()));
-}
-
-void BrowserView::loadInitialWebsite()
-{
- // Apply the application settings.
- applyApplicationSettings();
-
- // Get the arguments.
- QStringList argumentsStringList = qApp->arguments();
-
- // Check to see if the arguments lists contains a URL.
- if (argumentsStringList.size() > 1)
- {
- // Load the URL from the arguments list.
- webEngineViewPointer->setUrl(QUrl::fromUserInput(argumentsStringList.at(1)));
- }
- else
- {
- // Load the homepage.
- goHome();
- }
-}
-
-void BrowserView::loadUrlFromTextBox(QString urlFromUser) const
-{
- // Remove the focus from the URL line edit.
- urlLineEditPointer->clearFocus();
-
- // Decide if the text is more likely to be a URL or a search.
- if (urlFromUser.contains(".")) // The text is likely a URL.
- {
- // Check if the URL does not start with a valid protocol.
- if (!urlFromUser.startsWith("http") && !urlFromUser.startsWith("file://"))
- {
- // Add `https://` to the beginning of the URL.
- urlFromUser = "https://" + urlFromUser;
- }
-
- // Load the URL.
- webEngineViewPointer->setUrl(QUrl::fromUserInput(urlFromUser));
- }
- else // The text is likely a search.
- {
- // Load the search.
- webEngineViewPointer->setUrl(QUrl::fromUserInput(searchEngineUrl + urlFromUser));
- }
-}
-
-void BrowserView::openDomainSettings() const
-{
- // Instantiate the domain settings window.
- DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
-
- // Set the dialog window title.
- domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
-
- // Resize the dialog window.
- domainSettingsDialogPointer->resize(1500, 1000);
-
- // Set the modality.
- domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
-
- // Show the dialog.
- domainSettingsDialogPointer->show();
-}
-
-void BrowserView::pageLinkHovered(const QString &linkUrl) const
-{
- // Emit a signal so that the browser window can update the status bar.
- emit linkHovered(linkUrl);
-}
-
-void BrowserView::toggleJavaScript() const
-{
- // 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 BrowserView::updateInterface() const
-{
- // Update the URL line edit if it does not have focus.
- if (!urlLineEditPointer->hasFocus())
- {
- // Update the URL line edit.
- urlLineEditPointer->setText(webEngineViewPointer->url().toString());
- }
-
- // Update the status of the forward and back buttons.
- backButtonPointer->setEnabled(webEngineHistoryPointer->canGoBack());
- forwardButtonPointer->setEnabled(webEngineHistoryPointer->canGoForward());
-
- // 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());
-}
projects / PrivacyBrowserPC.git / blobdiff