src/windows/BrowserWindow.cpp

   1 /*
   2  * Copyright © 2022 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser PC <https://www.stoutner.com/privacy-browser-pc>.
   5  *
   6  * Privacy Browser PC is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Browser PC is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Browser PC.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 // Application headers.
  21 #include "BrowserWindow.h"
  22 #include "Settings.h"
  23 #include "ui_SettingsPrivacy.h"
  24 #include "ui_SettingsGeneral.h"
  25 #include "dialogs/DomainSettingsDialog.h"
  26 #include "helpers/SearchEngineHelper.h"
  27 #include "helpers/UserAgentHelper.h"
  28
  29 // KDE Frameworks headers.
  30 #include <KActionCollection>
  31 #include <KToolBar>
  32
  33 // Qt toolkit headers.
  34 #include <QInputDialog>
  35 #include <QStatusBar>
  36
  37 BrowserWindow::BrowserWindow() : KXmlGuiWindow()
  38 {
  39     // Instantiate the main view pointer.
  40     browserViewPointer = new BrowserView(this);
  41
  42     // Set the main view as the central widget.
  43     setCentralWidget(browserViewPointer);
  44
  45     // Get a handle for the action collection.
  46     KActionCollection *actionCollectionPointer = this->actionCollection();
  47
  48     // Add the standard actions.
  49     QAction *backActionPointer = KStandardAction::back(this, SLOT(back()), actionCollectionPointer);
  50     QAction *forwardActionPointer = KStandardAction::forward(this, SLOT(forward()), actionCollectionPointer);
  51     KStandardAction::home(this, SLOT(home()), actionCollectionPointer);
  52     KStandardAction::openNew(this, SLOT(fileNew()), actionCollectionPointer);
  53     KStandardAction::quit(qApp, SLOT(closeAllWindows()), actionCollectionPointer);
  54     KStandardAction::preferences(this, SLOT(settingsConfigure()), actionCollectionPointer);
  55     KStandardAction::redisplay(this, SLOT(refresh()), actionCollectionPointer);
  56
  57     // Add the custom actions.
  58     userAgentPrivacyBrowserActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_privacy_browser"));
  59     userAgentFirefoxLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_linux"));
  60     userAgentChromiumLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chromium_linux"));
  61     userAgentFirefoxWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_windows"));
  62     userAgentChromeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chrome_windows"));
  63     userAgentEdgeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_edge_windows"));
  64     userAgentSafariMacosActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_safari_macos"));
  65     userAgentCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_custom"));
  66     zoomFactorActionPointer = actionCollectionPointer->addAction(QStringLiteral("zoom_factor"));
  67     searchEngineMojeekActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_mojeek"));
  68     searchEngineMonoclesActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_monocles"));
  69     searchEngineMetagerActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_metager"));
  70     searchEngineGoogleActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_google"));
  71     searchEngineBingActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_bing"));
  72     searchEngineYahooActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_yahoo"));
  73     searchEngineCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_custom"));
  74     javaScriptActionPointer = actionCollectionPointer->addAction(QStringLiteral("javascript"));
  75     localStorageActionPointer = actionCollectionPointer->addAction(QStringLiteral("local_storage"));
  76     domainSettingsActionPointer = actionCollectionPointer->addAction(QStringLiteral("domain_settings"));
  77
  78     // Create the action groups
  79     QActionGroup *userAgentActionGroupPointer = new QActionGroup(this);
  80     QActionGroup *searchEngineActionGroupPointer = new QActionGroup(this);
  81
  82     // Add the actions to the groups.
  83     userAgentActionGroupPointer->addAction(userAgentPrivacyBrowserActionPointer);
  84     userAgentActionGroupPointer->addAction(userAgentFirefoxLinuxActionPointer);
  85     userAgentActionGroupPointer->addAction(userAgentChromiumLinuxActionPointer);
  86     userAgentActionGroupPointer->addAction(userAgentFirefoxWindowsActionPointer);
  87     userAgentActionGroupPointer->addAction(userAgentChromeWindowsActionPointer);
  88     userAgentActionGroupPointer->addAction(userAgentEdgeWindowsActionPointer);
  89     userAgentActionGroupPointer->addAction(userAgentSafariMacosActionPointer);
  90     userAgentActionGroupPointer->addAction(userAgentCustomActionPointer);
  91     searchEngineActionGroupPointer->addAction(searchEngineMojeekActionPointer);
  92     searchEngineActionGroupPointer->addAction(searchEngineMonoclesActionPointer);
  93     searchEngineActionGroupPointer->addAction(searchEngineMetagerActionPointer);
  94     searchEngineActionGroupPointer->addAction(searchEngineGoogleActionPointer);
  95     searchEngineActionGroupPointer->addAction(searchEngineBingActionPointer);
  96     searchEngineActionGroupPointer->addAction(searchEngineYahooActionPointer);
  97     searchEngineActionGroupPointer->addAction(searchEngineCustomActionPointer);
  98
  99     // Set some actions to be checkable.
 100     userAgentPrivacyBrowserActionPointer->setCheckable(true);
 101     userAgentFirefoxLinuxActionPointer->setCheckable(true);
 102     userAgentChromiumLinuxActionPointer->setCheckable(true);
 103     userAgentFirefoxWindowsActionPointer->setCheckable(true);
 104     userAgentChromeWindowsActionPointer->setCheckable(true);
 105     userAgentEdgeWindowsActionPointer->setCheckable(true);
 106     userAgentSafariMacosActionPointer->setCheckable(true);
 107     userAgentCustomActionPointer->setCheckable(true);
 108     searchEngineMojeekActionPointer->setCheckable(true);
 109     searchEngineMonoclesActionPointer->setCheckable(true);
 110     searchEngineMetagerActionPointer->setCheckable(true);
 111     searchEngineGoogleActionPointer->setCheckable(true);
 112     searchEngineBingActionPointer->setCheckable(true);
 113     searchEngineYahooActionPointer->setCheckable(true);
 114     searchEngineCustomActionPointer->setCheckable(true);
 115
 116     // Set the non-mutable action text.
 117     userAgentPrivacyBrowserActionPointer->setText(UserAgentHelper::PRIVACY_BROWSER_TRANSLATED);
 118     userAgentFirefoxLinuxActionPointer->setText(UserAgentHelper::FIREFOX_LINUX_TRANSLATED);
 119     userAgentChromiumLinuxActionPointer->setText(UserAgentHelper::CHROMIUM_LINUX_TRANSLATED);
 120     userAgentFirefoxWindowsActionPointer->setText(UserAgentHelper::FIREFOX_WINDOWS_TRANSLATED);
 121     userAgentChromeWindowsActionPointer->setText(UserAgentHelper::CHROME_WINDOWS_TRANSLATED);
 122     userAgentEdgeWindowsActionPointer->setText(UserAgentHelper::EDGE_WINDOWS_TRANSLATED);
 123     userAgentSafariMacosActionPointer->setText(UserAgentHelper::SAFARI_MACOS_TRANSLATED);
 124     searchEngineMojeekActionPointer->setText(i18nc("Search engine", "Mojeek"));
 125     searchEngineMonoclesActionPointer->setText(i18nc("Search engine", "Monocles"));
 126     searchEngineMetagerActionPointer->setText(i18nc("Search engine", "MetaGer"));
 127     searchEngineGoogleActionPointer->setText(i18nc("Search engine", "Google"));
 128     searchEngineBingActionPointer->setText(i18nc("Search engine", "Bing"));
 129     searchEngineYahooActionPointer->setText(i18nc("Search engine", "Yahoo"));
 130     javaScriptActionPointer->setText(i18nc("JavaScript button", "JavaScript"));
 131     localStorageActionPointer->setText(i18nc("Local Storage Button", "Local Storage"));
 132     domainSettingsActionPointer->setText(i18nc("Domain Settings button", "Domain Settings"));
 133
 134     // Set the action icons.
 135     userAgentPrivacyBrowserActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 136     userAgentFirefoxLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 137     userAgentChromiumLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 138     userAgentFirefoxWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 139     userAgentChromeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 140     userAgentEdgeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 141     userAgentSafariMacosActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 142     userAgentCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 143     searchEngineMojeekActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 144     searchEngineMonoclesActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 145     searchEngineMetagerActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 146     searchEngineGoogleActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-google")));
 147     searchEngineBingActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 148     searchEngineYahooActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-yahoo")));
 149     searchEngineCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 150     zoomFactorActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 151     domainSettingsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("network-server-symbolic")));
 152
 153     // Update the on-the-fly menus.
 154     connect(browserViewPointer, SIGNAL(updateUserAgentActions(QString)), this, SLOT(updateUserAgentActions(QString)));
 155     connect(browserViewPointer, SIGNAL(updateZoomFactorAction(double)), this, SLOT(updateZoomFactorAction(double)));
 156     connect(browserViewPointer, SIGNAL(updateSearchEngineActions(QString)), this, SLOT(updateSearchEngineActions(QString)));
 157
 158     // Apply the on-the-fly settings when selected.
 159     connect(userAgentActionGroupPointer, SIGNAL(triggered(QAction*)), browserViewPointer, SLOT(applyOnTheFlyUserAgent(QAction*)));
 160     connect(searchEngineActionGroupPointer, SIGNAL(triggered(QAction*)), browserViewPointer, SLOT(applyOnTheFlySearchEngine(QAction*)));
 161
 162     // Display dialogs.
 163     connect(zoomFactorActionPointer, SIGNAL(triggered()), this, SLOT(getZoomFactorFromUser()));
 164
 165     // Connect the URL toolbar actions.
 166     connect(javaScriptActionPointer, SIGNAL(triggered()), this, SLOT(toggleJavaScript()));
 167     connect(localStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleLocalStorage()));
 168     connect(domainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(openDomainSettings()));
 169
 170     // Update the URL toolbar actions.
 171     connect(browserViewPointer, SIGNAL(updateBackAction(bool)), backActionPointer, SLOT(setEnabled(bool)));
 172     connect(browserViewPointer, SIGNAL(updateForwardAction(bool)), forwardActionPointer, SLOT(setEnabled(bool)));
 173     connect(browserViewPointer, SIGNAL(updateJavaScriptAction(bool)), this, SLOT(updateJavaScriptAction(bool)));
 174     connect(browserViewPointer, SIGNAL(updateLocalStorageAction(bool)), this, SLOT(updateLocalStorageAction(bool)));
 175
 176     // Setup the GUI based on the browser_ui.rc file.
 177     setupGUI(StandardWindowOption::Default, ("browser_ui.rc"));
 178
 179     // Get a handle for the URL toolbar.
 180     KToolBar *urlToolBarPointer = toolBar(QStringLiteral("url_toolbar"));
 181
 182     // Create a URL line edit.
 183     urlLineEditPointer = new KLineEdit();
 184
 185     // Populate the URL toolbar.
 186     urlToolBarPointer->insertWidget(javaScriptActionPointer, urlLineEditPointer);
 187
 188     // Load a new URL from the URL line edit.
 189     connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrlFromLineEdit(const QString)));
 190
 191     // Update the URL line edit on page loads.
 192     connect(browserViewPointer, SIGNAL(updateUrlLineEdit(QString)), this, SLOT(updateUrlLineEdit(QString)));
 193
 194     // Get a handle for the status bar.
 195     QStatusBar *statusBarPointer = statusBar();
 196
 197     // Create a progress bar.
 198     progressBarPointer = new QProgressBar();
 199
 200     // Add the progress bar to to the status bar.
 201     statusBarPointer->addPermanentWidget(progressBarPointer);
 202
 203     // Update the status bar with the URL when a link is hovered.
 204     connect(browserViewPointer, SIGNAL(linkHovered(QString)), statusBarPointer, SLOT(showMessage(QString)));
 205
 206     // Update the progress bar.
 207     connect(browserViewPointer, SIGNAL(showProgressBar(const int)), this, SLOT(showProgressBar(const int)));
 208     connect(browserViewPointer, SIGNAL(hideProgressBar()), progressBarPointer, SLOT(hide()));
 209
 210     // Get the URL line edit palettes.
 211     noDomainSettingsPalette = urlLineEditPointer->palette();
 212     domainSettingsPalette = urlLineEditPointer->palette();
 213
 214     // Modify the domain settings palette.
 215     domainSettingsPalette.setColor(QPalette::Base, QColor("#C8E6C9"));
 216
 217     // Update the applied palette.
 218     connect(browserViewPointer, SIGNAL(updateDomainSettingsIndicator(bool)), this, SLOT(updateDomainSettingsIndicator(bool)));
 219
 220     // Load the initial website.
 221     browserViewPointer->loadInitialWebsite();
 222 }
 223
 224 void BrowserWindow::back() const
 225 {
 226     // Remove the focus from the URL line edit.
 227     urlLineEditPointer->clearFocus();
 228
 229     // Go back.
 230     browserViewPointer->back();
 231 }
 232
 233 void BrowserWindow::fileNew() const
 234 {
 235     // Display a new instance of Privacy Browser.
 236     (new BrowserWindow)->show();
 237 }
 238
 239 void BrowserWindow::forward() const
 240 {
 241     // Remove the focus from the URL line edit.
 242     urlLineEditPointer->clearFocus();
 243
 244     // Go forward.
 245     browserViewPointer->forward();
 246 }
 247
 248 void BrowserWindow::getZoomFactorFromUser()
 249 {
 250     // Create an OK flag.
 251     bool okClicked;
 252
 253     // Display a dialog to get the new zoom factor from the user.  Format the double to display two decimals and have a 0.25 step.
 254     double newZoomFactor = QInputDialog::getDouble(this, i18nc("The on-the-fly zoom factor dialog title", "On-The-Fly Zoom Factor"),
 255                                                    i18nc("The instruction text of the on-the-fly zoom factor dialog", "Enter a zoom factor between 0.25 and 5.00"),
 256                                                    currentZoomFactor, .025, 5.00, 2, &okClicked, Qt::WindowFlags(), 0.25);
 257
 258     // Update the zoom factor if the user clicked OK.
 259     if (okClicked)
 260     {
 261         // Update the current zoom factor.
 262         currentZoomFactor = newZoomFactor;
 263
 264         // Set the new zoom factor.
 265         browserViewPointer->applyOnTheFlyZoomFactor(newZoomFactor);
 266
 267         // Update the on-the-fly action text.
 268         updateZoomFactorAction(newZoomFactor);
 269     }
 270 }
 271
 272 void BrowserWindow::home() const
 273 {
 274     // Remove the focus from the URL line edit.
 275     urlLineEditPointer->clearFocus();
 276
 277     // Go home.
 278     browserViewPointer->home();
 279 }
 280
 281 void BrowserWindow::loadUrlFromLineEdit(const QString &url) const
 282 {
 283     // Remove the focus from the URL line edit.
 284     urlLineEditPointer->clearFocus();
 285
 286     // Load the URL.
 287     browserViewPointer->loadUrlFromLineEdit(url);
 288 }
 289
 290 void BrowserWindow::openDomainSettings() const
 291 {
 292     // Remove the focus from the URL line edit.
 293     urlLineEditPointer->clearFocus();
 294
 295     // Instantiate the domain settings window.
 296     DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
 297
 298     // Set the dialog window title.
 299     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 300
 301     // Set the modality.
 302     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 303
 304     // Show the dialog.
 305     domainSettingsDialogPointer->show();
 306
 307     // Reload the tabs when domain settings are updated.
 308     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 309 }
 310
 311 void BrowserWindow::refresh() const
 312 {
 313     // Remove the focus from the URL line edit.
 314     urlLineEditPointer->clearFocus();
 315
 316     // Refresh the web page.
 317     browserViewPointer->refresh();
 318 }
 319
 320 void BrowserWindow::showProgressBar(const int &progress) const
 321 {
 322     // Set the progress bar value.
 323     progressBarPointer->setValue(progress);
 324
 325     // Show the progress bar.
 326     progressBarPointer->show();
 327 }
 328
 329 QSize BrowserWindow::sizeHint() const
 330 {
 331     // Return the default window size.
 332     return QSize(1500, 1200);
 333 }
 334
 335 void BrowserWindow::settingsConfigure()
 336 {
 337     // Check to make sure the dialog box isn't already displayed.
 338     if (KConfigDialog::exists(QStringLiteral("settings")))
 339     {
 340         // Show the existing config dialog if it is hidden.
 341         configDialogPointer->show();
 342
 343         // Raise the existing config dialog if it is below other windows.
 344         configDialogPointer->raise();
 345
 346         // Restore the existing config dialog if it has been minimized.
 347         if (configDialogPointer->isMinimized()) {
 348             configDialogPointer->showNormal();
 349         }
 350
 351         // Activate the existing config dialog, which brings its virtual desktop into focus.
 352         configDialogPointer->activateWindow();
 353     }
 354     else
 355     {
 356         // Create the settings widgets.
 357         QWidget *privacySettingsWidgetPointer = new QWidget;
 358         QWidget *generalSettingsWidgetPointer = new QWidget;
 359
 360         // Instantiate the settings UI.
 361         Ui::PrivacySettings privacySettingsUi;
 362         Ui::GeneralSettings generalSettingsUi;
 363
 364         // Setup the UI to display the settings widgets.
 365         privacySettingsUi.setupUi(privacySettingsWidgetPointer);
 366         generalSettingsUi.setupUi(generalSettingsWidgetPointer);
 367
 368         // Get handles for the widgets.
 369         QComboBox *userAgentComboBoxPointer = privacySettingsUi.kcfg_userAgent;
 370         userAgentLabelPointer = privacySettingsUi.userAgentLabel;
 371         QComboBox *searchEngineComboBoxPointer = generalSettingsUi.kcfg_searchEngine;
 372         searchEngineLabelPointer = generalSettingsUi.searchEngineLabel;
 373
 374         // Populate the combo box labels.
 375         updateUserAgentLabel(userAgentComboBoxPointer->currentText());
 376         updateSearchEngineLabel(searchEngineComboBoxPointer->currentText());
 377
 378         // Update the labels when the combo boxes change.
 379         connect(userAgentComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateUserAgentLabel(const QString)));
 380         connect(searchEngineComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateSearchEngineLabel(const QString)));
 381
 382         // Instantiate a settings config dialog from the settings.kcfg file.
 383         configDialogPointer = new KConfigDialog(this, QStringLiteral("settings"), Settings::self());
 384
 385         // Add the settings widgets as config dialog pages.
 386         configDialogPointer->addPage(privacySettingsWidgetPointer, i18nc("@title:tab", "Privacy"), QStringLiteral("privacy-browser"));
 387         configDialogPointer->addPage(generalSettingsWidgetPointer, i18nc("@title:tab", "General"), QStringLiteral("breeze-settings"));
 388
 389         // Delete the config dialog when it is closed.
 390         configDialogPointer->setAttribute(Qt::WA_DeleteOnClose);
 391
 392         // Make it so.
 393         configDialogPointer->show();
 394
 395         // TODO.  KConfigDialog does not respect expanding size policies.  <https://redmine.stoutner.com/issues/823>
 396         //configDialogPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 397         //privacySettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 398         //generalSettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 399         //configDialogPointer->adjustSize();
 400
 401         // Expand the config dialog.
 402         configDialogPointer->resize(1000, 500);
 403
 404         // Apply the settings when they are updated.
 405         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyApplicationSettings()));
 406         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 407     }
 408 }
 409
 410 void BrowserWindow::toggleJavaScript() const
 411 {
 412     // Remove the focus from the URL line edit.
 413     urlLineEditPointer->clearFocus();
 414
 415     // Toggle JavaScript.
 416     browserViewPointer->toggleJavaScript();
 417 }
 418
 419 void BrowserWindow::toggleLocalStorage() const
 420 {
 421     // Remove the focus from the URL line edit.
 422     urlLineEditPointer->clearFocus();
 423
 424     // Toggle JavaScript.
 425     browserViewPointer->toggleLocalStorage();
 426 }
 427
 428 void BrowserWindow::updateDomainSettingsIndicator(const bool &status) const
 429 {
 430     // Set the domain palette according to the status.
 431     if (status) urlLineEditPointer->setPalette(domainSettingsPalette);
 432     else urlLineEditPointer->setPalette(noDomainSettingsPalette);
 433 }
 434
 435 void BrowserWindow::updateJavaScriptAction(const bool &isEnabled) const
 436 {
 437     // Set the icon according to the status.
 438     if (isEnabled) javaScriptActionPointer->setIcon(QIcon(":/icons/javascript-warning"));
 439     else javaScriptActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 440 }
 441
 442 void BrowserWindow::updateLocalStorageAction(const bool &isEnabled) const
 443 {
 444     // Set the icon according to the status.
 445     if (isEnabled) localStorageActionPointer->setIcon(QIcon::fromTheme("disk-quota-low"));
 446     else localStorageActionPointer->setIcon(QIcon::fromTheme("disk-quota"));
 447 }
 448
 449 void BrowserWindow::updateSearchEngineActions(const QString &searchEngine) const
 450 {
 451     // Initialize the custom search engine flag.
 452     bool customSearchEngine = false;
 453
 454     if (searchEngine == "Mojeek")  // Mojeek.
 455     {
 456         searchEngineMojeekActionPointer->setChecked(true);
 457     }
 458     else if (searchEngine == "Monocles")  // Monocles.
 459     {
 460         searchEngineMonoclesActionPointer->setChecked(true);
 461     }
 462     else if (searchEngine == "MetaGer")  // MetaGer.
 463     {
 464         searchEngineMetagerActionPointer->setChecked(true);
 465     }
 466     else if (searchEngine == "Google")  // Google.
 467     {
 468         searchEngineGoogleActionPointer->setChecked(true);
 469     }
 470     else if (searchEngine == "Bing")  // Bing.
 471     {
 472         searchEngineBingActionPointer->setChecked(true);
 473     }
 474     else if (searchEngine == "Yahoo")  // Yahoo.
 475     {
 476         searchEngineYahooActionPointer->setChecked(true);
 477     }
 478     else  // Custom search engine.
 479     {
 480         // Check the user agent.
 481         searchEngineCustomActionPointer->setChecked(true);
 482
 483         // Set the custom search engine flag.
 484         customSearchEngine = true;
 485     }
 486
 487     // Format the custom search engine.
 488     if (customSearchEngine)
 489     {
 490         // Enable the custom search engine.
 491         searchEngineCustomActionPointer->setEnabled(true);
 492
 493         // Set the custom search engine text.
 494         searchEngineCustomActionPointer->setText(searchEngine);
 495     }
 496     else
 497     {
 498         // Disable the custom search engine.
 499         searchEngineCustomActionPointer->setEnabled(false);
 500
 501         // Reset the custom search engine text.
 502         searchEngineCustomActionPointer->setText(i18nc("@action", "Custom"));
 503     }
 504 }
 505
 506 void BrowserWindow::updateUserAgentActions(const QString &userAgent) const
 507 {
 508     // Initialize the custom user agent flag.
 509     bool customUserAgent = false;
 510
 511     // Check the indicated on-the-fly user agent.
 512     if (userAgent == UserAgentHelper::PRIVACY_BROWSER_USER_AGENT) userAgentPrivacyBrowserActionPointer->setChecked(true);  // Privacy Browser.
 513     else if (userAgent == UserAgentHelper::FIREFOX_LINUX_USER_AGENT) userAgentFirefoxLinuxActionPointer->setChecked(true);  // Firefox Linux.
 514     else if (userAgent == UserAgentHelper::CHROMIUM_LINUX_USER_AGENT) userAgentChromiumLinuxActionPointer->setChecked(true);  // Chromium Linux.
 515     else if (userAgent == UserAgentHelper::FIREFOX_WINDOWS_USER_AGENT) userAgentFirefoxWindowsActionPointer->setChecked(true);  // Firefox Windows.
 516     else if (userAgent == UserAgentHelper::CHROME_WINDOWS_USER_AGENT) userAgentChromeWindowsActionPointer->setChecked(true);  // Chrome Windows.
 517     else if (userAgent == UserAgentHelper::EDGE_WINDOWS_USER_AGENT) userAgentEdgeWindowsActionPointer->setChecked(true);  // Edge Windows.
 518     else if (userAgent == UserAgentHelper::SAFARI_MACOS_USER_AGENT) userAgentSafariMacosActionPointer->setChecked(true);  // Safara macOS.
 519     else  // Custom user agent.
 520     {
 521         // Check the user agent.
 522         userAgentCustomActionPointer->setChecked(true);
 523
 524         // Set the custom user agent flag.
 525         customUserAgent = true;
 526     }
 527
 528
 529     // Format the custom user agent.
 530     if (customUserAgent)
 531     {
 532         // Enable the custom user agent.
 533         userAgentCustomActionPointer->setEnabled(true);
 534
 535         // Set the custom user agent text.
 536         userAgentCustomActionPointer->setText(userAgent);
 537     }
 538     else
 539     {
 540         // Disable the custom user agent.
 541         userAgentCustomActionPointer->setEnabled(false);
 542
 543         // Reset the custom user agent text.
 544         userAgentCustomActionPointer->setText(i18nc("@action", "Custom"));
 545     }
 546 }
 547
 548 void BrowserWindow::updateZoomFactorAction(const double &zoomFactor)
 549 {
 550     // Set the current zoom factor.
 551     currentZoomFactor = zoomFactor;
 552
 553     // Update the zoom factor action text, formatting the double with 2 decimal places.
 554     zoomFactorActionPointer->setText(ki18nc("@action", "Zoom Factor - %1").subs(zoomFactor, 0, '0', 2).toString());
 555 }
 556
 557 void BrowserWindow::updateSearchEngineLabel(const QString &searchEngineString) const
 558 {
 559     // Update the search engine label.
 560     searchEngineLabelPointer->setText(SearchEngineHelper::getSearchUrl(searchEngineString));
 561 }
 562
 563 void BrowserWindow::updateUrlLineEdit(const QString &newUrl) const
 564 {
 565     // Update the URL line edit if it does not have focus.
 566     if (!urlLineEditPointer->hasFocus())
 567     {
 568         // Update the URL line edit.
 569         urlLineEditPointer->setText(newUrl);
 570     }
 571 }
 572
 573 void BrowserWindow::updateUserAgentLabel(const QString &userAgentDatabaseName) const
 574 {
 575     // Update the user agent label.
 576     userAgentLabelPointer->setText(UserAgentHelper::getUserAgentFromDatabaseName(userAgentDatabaseName));
 577 }