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 "databases/CookiesDatabase.h"
  26 #include "dialogs/CookiesDialog.h"
  27 #include "dialogs/DomainSettingsDialog.h"
  28 #include "helpers/SearchEngineHelper.h"
  29 #include "helpers/UserAgentHelper.h"
  30
  31 // KDE Frameworks headers.
  32 #include <KActionCollection>
  33 #include <KToolBar>
  34
  35 // Qt toolkit headers.
  36 #include <QInputDialog>
  37 #include <QNetworkCookie>
  38 #include <QMenuBar>
  39 #include <QShortcut>
  40 #include <QStatusBar>
  41
  42 // Construct the class.
  43 BrowserWindow::BrowserWindow() : KXmlGuiWindow()
  44 {
  45     // Initialize the variables.
  46     cookieListPointer = new std::list<QNetworkCookie>;
  47     javaScriptEnabled = false;
  48     localStorageEnabled = false;
  49
  50     // Instantiate the main view pointer.
  51     browserViewPointer = new BrowserView(this);
  52
  53     // Set the main view as the central widget.
  54     setCentralWidget(browserViewPointer);
  55
  56     // Get a handle for the action collection.
  57     KActionCollection *actionCollectionPointer = this->actionCollection();
  58
  59     // Add the standard actions.
  60     KStandardAction::openNew(this, SLOT(fileNew()), actionCollectionPointer);
  61     KStandardAction::quit(qApp, SLOT(closeAllWindows()), actionCollectionPointer);
  62     KStandardAction::redisplay(this, SLOT(refresh()), actionCollectionPointer);
  63     fullScreenActionPointer = KStandardAction::fullScreen(this, SLOT(toggleFullScreen()), this, actionCollectionPointer);
  64     QAction *backActionPointer = KStandardAction::back(this, SLOT(back()), actionCollectionPointer);
  65     QAction *forwardActionPointer = KStandardAction::forward(this, SLOT(forward()), actionCollectionPointer);
  66     KStandardAction::home(this, SLOT(home()), actionCollectionPointer);
  67     KStandardAction::preferences(this, SLOT(settingsConfigure()), actionCollectionPointer);
  68
  69     // Add the custom actions.
  70     userAgentPrivacyBrowserActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_privacy_browser"));
  71     userAgentWebEngineDefaultActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_webengine_default"));
  72     userAgentFirefoxLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_linux"));
  73     userAgentChromiumLinuxActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chromium_linux"));
  74     userAgentFirefoxWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_firefox_windows"));
  75     userAgentChromeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_chrome_windows"));
  76     userAgentEdgeWindowsActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_edge_windows"));
  77     userAgentSafariMacosActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_safari_macos"));
  78     userAgentCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("user_agent_custom"));
  79     zoomFactorActionPointer = actionCollectionPointer->addAction(QStringLiteral("zoom_factor"));
  80     searchEngineMojeekActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_mojeek"));
  81     searchEngineMonoclesActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_monocles"));
  82     searchEngineMetagerActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_metager"));
  83     searchEngineGoogleActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_google"));
  84     searchEngineBingActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_bing"));
  85     searchEngineYahooActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_yahoo"));
  86     searchEngineCustomActionPointer = actionCollectionPointer->addAction(QStringLiteral("search_engine_custom"));
  87     QAction *domainSettingsActionPointer = actionCollectionPointer->addAction(QStringLiteral("domain_settings"));
  88     cookiesActionPointer = actionCollectionPointer->addAction(QStringLiteral("cookies"));
  89     javaScriptActionPointer = actionCollectionPointer->addAction(QStringLiteral("javascript"));
  90     localStorageActionPointer = actionCollectionPointer->addAction(QStringLiteral("local_storage"));
  91     domStorageActionPointer = actionCollectionPointer->addAction(QStringLiteral("dom_storage"));
  92
  93     // Create the action groups
  94     QActionGroup *userAgentActionGroupPointer = new QActionGroup(this);
  95     QActionGroup *searchEngineActionGroupPointer = new QActionGroup(this);
  96
  97     // Add the actions to the groups.
  98     userAgentActionGroupPointer->addAction(userAgentPrivacyBrowserActionPointer);
  99     userAgentActionGroupPointer->addAction(userAgentWebEngineDefaultActionPointer);
 100     userAgentActionGroupPointer->addAction(userAgentFirefoxLinuxActionPointer);
 101     userAgentActionGroupPointer->addAction(userAgentChromiumLinuxActionPointer);
 102     userAgentActionGroupPointer->addAction(userAgentFirefoxWindowsActionPointer);
 103     userAgentActionGroupPointer->addAction(userAgentChromeWindowsActionPointer);
 104     userAgentActionGroupPointer->addAction(userAgentEdgeWindowsActionPointer);
 105     userAgentActionGroupPointer->addAction(userAgentSafariMacosActionPointer);
 106     userAgentActionGroupPointer->addAction(userAgentCustomActionPointer);
 107     searchEngineActionGroupPointer->addAction(searchEngineMojeekActionPointer);
 108     searchEngineActionGroupPointer->addAction(searchEngineMonoclesActionPointer);
 109     searchEngineActionGroupPointer->addAction(searchEngineMetagerActionPointer);
 110     searchEngineActionGroupPointer->addAction(searchEngineGoogleActionPointer);
 111     searchEngineActionGroupPointer->addAction(searchEngineBingActionPointer);
 112     searchEngineActionGroupPointer->addAction(searchEngineYahooActionPointer);
 113     searchEngineActionGroupPointer->addAction(searchEngineCustomActionPointer);
 114
 115     // Set some actions to be checkable.
 116     javaScriptActionPointer->setCheckable(true);
 117     localStorageActionPointer->setCheckable(true);
 118     domStorageActionPointer->setCheckable(true);
 119     userAgentPrivacyBrowserActionPointer->setCheckable(true);
 120     userAgentWebEngineDefaultActionPointer->setCheckable(true);
 121     userAgentFirefoxLinuxActionPointer->setCheckable(true);
 122     userAgentChromiumLinuxActionPointer->setCheckable(true);
 123     userAgentFirefoxWindowsActionPointer->setCheckable(true);
 124     userAgentChromeWindowsActionPointer->setCheckable(true);
 125     userAgentEdgeWindowsActionPointer->setCheckable(true);
 126     userAgentSafariMacosActionPointer->setCheckable(true);
 127     userAgentCustomActionPointer->setCheckable(true);
 128     searchEngineMojeekActionPointer->setCheckable(true);
 129     searchEngineMonoclesActionPointer->setCheckable(true);
 130     searchEngineMetagerActionPointer->setCheckable(true);
 131     searchEngineGoogleActionPointer->setCheckable(true);
 132     searchEngineBingActionPointer->setCheckable(true);
 133     searchEngineYahooActionPointer->setCheckable(true);
 134     searchEngineCustomActionPointer->setCheckable(true);
 135
 136     // Set the action text.
 137     userAgentPrivacyBrowserActionPointer->setText(UserAgentHelper::PRIVACY_BROWSER_TRANSLATED);
 138     userAgentWebEngineDefaultActionPointer->setText(UserAgentHelper::WEB_ENGINE_DEFAULT_TRANSLATED);
 139     userAgentFirefoxLinuxActionPointer->setText(UserAgentHelper::FIREFOX_LINUX_TRANSLATED);
 140     userAgentChromiumLinuxActionPointer->setText(UserAgentHelper::CHROMIUM_LINUX_TRANSLATED);
 141     userAgentFirefoxWindowsActionPointer->setText(UserAgentHelper::FIREFOX_WINDOWS_TRANSLATED);
 142     userAgentChromeWindowsActionPointer->setText(UserAgentHelper::CHROME_WINDOWS_TRANSLATED);
 143     userAgentEdgeWindowsActionPointer->setText(UserAgentHelper::EDGE_WINDOWS_TRANSLATED);
 144     userAgentSafariMacosActionPointer->setText(UserAgentHelper::SAFARI_MACOS_TRANSLATED);
 145     searchEngineMojeekActionPointer->setText(i18nc("Search engine", "Mojeek"));
 146     searchEngineMonoclesActionPointer->setText(i18nc("Search engine", "Monocles"));
 147     searchEngineMetagerActionPointer->setText(i18nc("Search engine", "MetaGer"));
 148     searchEngineGoogleActionPointer->setText(i18nc("Search engine", "Google"));
 149     searchEngineBingActionPointer->setText(i18nc("Search engine", "Bing"));
 150     searchEngineYahooActionPointer->setText(i18nc("Search engine", "Yahoo"));
 151     domainSettingsActionPointer->setText(i18nc("Domain Settings action", "Domain Settings"));
 152     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", cookieListPointer->size()));
 153     javaScriptActionPointer->setText(i18nc("JavaScript action", "JavaScript"));
 154     localStorageActionPointer->setText(i18nc("The Local Storage action", "Local Storage"));
 155     domStorageActionPointer->setText(i18nc("DOM Storage action", "DOM Storage"));
 156
 157     // Set the action icons.
 158     userAgentPrivacyBrowserActionPointer->setIcon(QIcon(":/icons/privacy-mode"));
 159     userAgentWebEngineDefaultActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 160     userAgentFirefoxLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 161     userAgentChromiumLinuxActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 162     userAgentFirefoxWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("firefox-esr")));
 163     userAgentChromeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("chromium")));
 164     userAgentEdgeWindowsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 165     userAgentSafariMacosActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 166     userAgentCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("user-group-properties")));
 167     searchEngineMojeekActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 168     searchEngineMonoclesActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 169     searchEngineMetagerActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 170     searchEngineGoogleActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-google")));
 171     searchEngineBingActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 172     searchEngineYahooActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("im-yahoo")));
 173     searchEngineCustomActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("search")));
 174     zoomFactorActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("zoom")));
 175     domainSettingsActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("settings-configure")));
 176     cookiesActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("preferences-web-browser-cookies")));
 177     domStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("view-web-browser-dom-tree")));
 178
 179     // Update the on-the-fly menus.
 180     connect(browserViewPointer, SIGNAL(updateUserAgentActions(QString, bool)), this, SLOT(updateUserAgentActions(QString, bool)));
 181     connect(browserViewPointer, SIGNAL(updateZoomFactorAction(double)), this, SLOT(updateZoomFactorAction(double)));
 182     connect(browserViewPointer, SIGNAL(updateSearchEngineActions(QString, bool)), this, SLOT(updateSearchEngineActions(QString, bool)));
 183
 184     // Apply the on-the-fly settings when selected.
 185     connect(userAgentActionGroupPointer, SIGNAL(triggered(QAction*)), browserViewPointer, SLOT(applyOnTheFlyUserAgent(QAction*)));
 186     connect(searchEngineActionGroupPointer, SIGNAL(triggered(QAction*)), browserViewPointer, SLOT(applyOnTheFlySearchEngine(QAction*)));
 187
 188     // Display dialogs.
 189     connect(zoomFactorActionPointer, SIGNAL(triggered()), this, SLOT(getZoomFactorFromUser()));
 190     connect(cookiesActionPointer, SIGNAL(triggered()), this, SLOT(openCookiesDialog()));
 191     connect(domainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(openDomainSettings()));
 192
 193     // Connect the URL toolbar actions.
 194     connect(javaScriptActionPointer, SIGNAL(triggered()), this, SLOT(toggleJavaScript()));
 195     connect(localStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleLocalStorage()));
 196     connect(domStorageActionPointer, SIGNAL(triggered()), this, SLOT(toggleDomStorage()));
 197
 198     // Update the URL toolbar actions.
 199     connect(browserViewPointer, SIGNAL(updateBackAction(bool)), backActionPointer, SLOT(setEnabled(bool)));
 200     connect(browserViewPointer, SIGNAL(updateForwardAction(bool)), forwardActionPointer, SLOT(setEnabled(bool)));
 201     connect(browserViewPointer, SIGNAL(updateJavaScriptAction(bool)), this, SLOT(updateJavaScriptAction(bool)));
 202     connect(browserViewPointer, SIGNAL(updateLocalStorageAction(bool)), this, SLOT(updateLocalStorageAction(bool)));
 203     connect(browserViewPointer, SIGNAL(updateDomStorageAction(bool)), this, SLOT(updateDomStorageAction(bool)));
 204
 205     // Setup the GUI based on the browser_ui.rc file.
 206     setupGUI(StandardWindowOption::Default, ("browser_ui.rc"));
 207
 208     // Get lists of the actions' associated widgets.
 209     QList<QWidget*> userAgentAssociatedWidgetsPointerList = userAgentPrivacyBrowserActionPointer->associatedWidgets();
 210     QList<QWidget*> searchEngineAssociatedWidgetsPointerList = searchEngineMojeekActionPointer->associatedWidgets();
 211
 212     // Get the menu widget pointers.  It is the second entry, after the main window.
 213     QWidget *userAgentMenuWidgetPointer = userAgentAssociatedWidgetsPointerList[1];
 214     QWidget *searchEngineMenuWidgetPointer = searchEngineAssociatedWidgetsPointerList[1];
 215
 216     // Get the menu pointers.
 217     QMenu *userAgentMenuPointer = qobject_cast<QMenu*>(userAgentMenuWidgetPointer);
 218     QMenu *searchEngineMenuPointer = qobject_cast<QMenu*>(searchEngineMenuWidgetPointer);
 219
 220     // Get the menu actions.
 221     userAgentMenuActionPointer = userAgentMenuPointer->menuAction();
 222     searchEngineMenuActionPointer = searchEngineMenuPointer->menuAction();
 223
 224     // Get handles for the toolbars.
 225     navigationToolBarPointer = toolBar(QStringLiteral("navigation_toolbar"));
 226     urlToolBarPointer = toolBar(QStringLiteral("url_toolbar"));
 227
 228     // Create a URL line edit.
 229     urlLineEditPointer = new KLineEdit();
 230
 231     // Add an edit or add domain settings action to the URL line edit.
 232     QAction *addOrEditDomainSettingsActionPointer = urlLineEditPointer->addAction(QIcon::fromTheme("settings-configure"), QLineEdit::TrailingPosition);
 233
 234     // Add or edit the current domain settings.
 235     connect(addOrEditDomainSettingsActionPointer, SIGNAL(triggered()), this, SLOT(addOrEditDomainSettings()));
 236
 237     // Populate the URL toolbar.
 238     urlToolBarPointer->insertWidget(javaScriptActionPointer, urlLineEditPointer);
 239
 240     // Load a new URL from the URL line edit.
 241     connect(urlLineEditPointer, SIGNAL(returnKeyPressed(const QString)), this, SLOT(loadUrlFromLineEdit(const QString)));
 242
 243     // Update the URL line edit on page loads.
 244     connect(browserViewPointer, SIGNAL(updateUrlLineEdit(QUrl)), this, SLOT(updateUrlLineEdit(QUrl)));
 245
 246     // Get a handle for the status bar.
 247     QStatusBar *statusBarPointer = statusBar();
 248
 249     // Create a progress bar.
 250     progressBarPointer = new QProgressBar();
 251
 252     // Add the progress bar to to the status bar.
 253     statusBarPointer->addPermanentWidget(progressBarPointer);
 254
 255     // Update the status bar with the URL when a link is hovered.
 256     connect(browserViewPointer, SIGNAL(linkHovered(QString)), statusBarPointer, SLOT(showMessage(QString)));
 257
 258     // Update the progress bar.
 259     connect(browserViewPointer, SIGNAL(showProgressBar(const int)), this, SLOT(showProgressBar(const int)));
 260     connect(browserViewPointer, SIGNAL(hideProgressBar()), progressBarPointer, SLOT(hide()));
 261
 262     // Clear the URL line edit focus when requested.
 263     connect(browserViewPointer, SIGNAL(clearUrlLineEditFocus()), this, SLOT(clearUrlLineEditFocus()));
 264
 265     // Get the URL line edit palettes.
 266     noDomainSettingsPalette = urlLineEditPointer->palette();
 267     domainSettingsPalette = urlLineEditPointer->palette();
 268
 269     // Modify the domain settings palette.
 270     domainSettingsPalette.setColor(QPalette::Base, QColor("#C8E6C9"));
 271
 272     // Update the applied palette.
 273     connect(browserViewPointer, SIGNAL(updateDomainSettingsIndicator(bool, QString)), this, SLOT(updateDomainSettingsIndicator(bool, QString)));
 274
 275     // Process cookie changes.
 276     connect(browserViewPointer, SIGNAL(addCookie(QNetworkCookie)), this, SLOT(addCookieToList(QNetworkCookie)));
 277     connect(browserViewPointer, SIGNAL(removeCookie(QNetworkCookie)), this, SLOT(removeCookieFromList(QNetworkCookie)));
 278
 279     // Process full screen requests.
 280     connect(browserViewPointer, SIGNAL(fullScreenRequested(bool)), this, SLOT(fullScreenRequested(bool)));
 281
 282     // Create keyboard shortcuts.
 283     QShortcut *f11ShortcutPointer = new QShortcut(QKeySequence(i18nc("The toggle full screen shortcut.", "F11")), this);
 284     QShortcut *escapeShortcutPointer = new QShortcut(QKeySequence::Cancel, this);
 285
 286     // Connect the keyboard shortcuts to the actions.
 287     connect(f11ShortcutPointer, SIGNAL(activated()), fullScreenActionPointer, SLOT(trigger()));
 288     connect(escapeShortcutPointer, SIGNAL(activated()), this, SLOT(escape()));
 289
 290     // Load the initial website.
 291     browserViewPointer->loadInitialWebsite();
 292 }
 293
 294 void BrowserWindow::addCookieToList(const QNetworkCookie &newCookie) const
 295 {
 296     //qDebug() << "Add cookie:  " << newCookie.toRawForm();
 297
 298     // Add the new cookie to the list.
 299     cookieListPointer->push_front(newCookie);
 300
 301     // Update the action text.
 302     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", cookieListPointer->size()));
 303
 304     // Update the cookie if it is durable and has new data.
 305     if (CookiesDatabase::isUpdate(newCookie))
 306         CookiesDatabase::updateCookie(newCookie);
 307 }
 308
 309 void BrowserWindow::addOrEditDomainSettings() const
 310 {
 311     // Remove the focus from the URL line edit.
 312     urlLineEditPointer->clearFocus();
 313
 314     // Create the domain settings dialog pointer.
 315     DomainSettingsDialog *domainSettingsDialogPointer;
 316
 317     // Run the commands according to the current domain settings status.
 318     if (currentDomainSettingsDomain == "")  // Domain settings are not currently applied.
 319     {
 320         // Instruct the domain settings dialog to add a new domain.
 321         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::ADD_DOMAIN, currentUrl.host());
 322     }
 323     else  // Domain settings are currently applied.
 324     {
 325         // Instruct the domain settings dialog to edit the current domain.
 326         domainSettingsDialogPointer = new DomainSettingsDialog(DomainSettingsDialog::EDIT_DOMAIN, currentDomainSettingsDomain);
 327     }
 328
 329     // Set the dialog window title.
 330     domainSettingsDialogPointer->setWindowTitle(i18nc("The domain settings dialog title", "Domain Settings"));
 331
 332     // Set the modality.
 333     domainSettingsDialogPointer->setWindowModality(Qt::WindowModality::WindowModal);;
 334
 335     // Show the dialog.
 336     domainSettingsDialogPointer->show();
 337
 338     // Reload the tabs when domain settings are updated.
 339     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 340 }
 341
 342 void BrowserWindow::back() const
 343 {
 344     // Remove the focus from the URL line edit.
 345     urlLineEditPointer->clearFocus();
 346
 347     // Go back.
 348     browserViewPointer->back();
 349 }
 350
 351 void BrowserWindow::clearUrlLineEditFocus() const
 352 {
 353     // Remove the focus from the URL line edit.
 354     urlLineEditPointer->clearFocus();
 355 }
 356
 357 void BrowserWindow::escape() const
 358 {
 359     // Exit full screen browsing if it is enabled.
 360     if (fullScreenActionPointer->isChecked())
 361         fullScreenActionPointer->trigger();
 362 }
 363
 364 void BrowserWindow::fileNew() const
 365 {
 366     // Display a new instance of Privacy Browser.
 367     (new BrowserWindow)->show();
 368 }
 369
 370 void BrowserWindow::forward() const
 371 {
 372     // Remove the focus from the URL line edit.
 373     urlLineEditPointer->clearFocus();
 374
 375     // Go forward.
 376     browserViewPointer->forward();
 377 }
 378
 379 void BrowserWindow::fullScreenRequested(const bool toggleOn)
 380 {
 381     // Toggle full screen mode.
 382     if (toggleOn)  // Turn full screen mode on.
 383     {
 384         // Set the window to be full screen.
 385         fullScreenActionPointer->setFullScreen(window(), true);
 386
 387         // Hide all the bars.
 388         menuBar()->setVisible(false);
 389         navigationToolBarPointer->setVisible(false);
 390         urlToolBarPointer->setVisible(false);
 391         statusBar()->setVisible(false);
 392     }
 393     else  // Turn full screen mode off.
 394     {
 395         // Set the window to not be full screen.
 396         fullScreenActionPointer->setFullScreen(window(), false);
 397
 398         // Show all the bars.
 399         menuBar()->setVisible(true);
 400         navigationToolBarPointer->setVisible(true);
 401         urlToolBarPointer->setVisible(true);
 402         statusBar()->setVisible(true);
 403     }
 404 }
 405
 406 void BrowserWindow::getZoomFactorFromUser()
 407 {
 408     // Create an OK flag.
 409     bool okClicked;
 410
 411     // 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.
 412     double newZoomFactor = QInputDialog::getDouble(this, i18nc("The on-the-fly zoom factor dialog title", "On-The-Fly Zoom Factor"),
 413                                                    i18nc("The instruction text of the on-the-fly zoom factor dialog", "Enter a zoom factor between 0.25 and 5.00"),
 414                                                    currentZoomFactor, .025, 5.00, 2, &okClicked, Qt::WindowFlags(), 0.25);
 415
 416     // Update the zoom factor if the user clicked OK.
 417     if (okClicked)
 418     {
 419         // Update the current zoom factor.
 420         currentZoomFactor = newZoomFactor;
 421
 422         // Set the new zoom factor.
 423         browserViewPointer->applyOnTheFlyZoomFactor(newZoomFactor);
 424
 425         // Update the on-the-fly action text.
 426         updateZoomFactorAction(newZoomFactor);
 427     }
 428 }
 429
 430 void BrowserWindow::home() const
 431 {
 432     // Remove the focus from the URL line edit.
 433     urlLineEditPointer->clearFocus();
 434
 435     // Go home.
 436     browserViewPointer->home();
 437 }
 438
 439 void BrowserWindow::loadUrlFromLineEdit(const QString &url) const
 440 {
 441     // Remove the focus from the URL line edit.
 442     urlLineEditPointer->clearFocus();
 443
 444     // Load the URL.
 445     browserViewPointer->loadUrlFromLineEdit(url);
 446 }
 447
 448 void BrowserWindow::openCookiesDialog()
 449 {
 450     // Remove the focus from the URL line edit.
 451     urlLineEditPointer->clearFocus();
 452
 453     // Instantiate the cookie settings dialog.
 454     CookiesDialog *cookiesDialogPointer = new CookiesDialog(cookieListPointer);
 455
 456     // Show the dialog.
 457     cookiesDialogPointer->show();
 458
 459     // Connect the dialog signals.
 460     connect(cookiesDialogPointer, SIGNAL(addCookie(QNetworkCookie)), browserViewPointer, SLOT(addCookieToStore(QNetworkCookie)));
 461     connect(cookiesDialogPointer, SIGNAL(deleteAllCookies()), browserViewPointer, SLOT(deleteAllCookies()));
 462     connect(cookiesDialogPointer, SIGNAL(deleteCookie(QNetworkCookie)), browserViewPointer, SLOT(deleteCookieFromStore(QNetworkCookie)));
 463 }
 464
 465 void BrowserWindow::openDomainSettings() const
 466 {
 467     // Remove the focus from the URL line edit.
 468     urlLineEditPointer->clearFocus();
 469
 470     // Instantiate the domain settings dialog.
 471     DomainSettingsDialog *domainSettingsDialogPointer = new DomainSettingsDialog();
 472
 473     // Show the dialog.
 474     domainSettingsDialogPointer->show();
 475
 476     // Reload the tabs when domain settings are updated.
 477     connect(domainSettingsDialogPointer, SIGNAL(domainSettingsUpdated()), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 478 }
 479
 480 void BrowserWindow::refresh() const
 481 {
 482     // Remove the focus from the URL line edit.
 483     urlLineEditPointer->clearFocus();
 484
 485     // Refresh the web page.
 486     browserViewPointer->refresh();
 487 }
 488
 489 void BrowserWindow::removeCookieFromList(const QNetworkCookie &cookie) const
 490 {
 491     //qDebug() << "Remove cookie:  " << cookie.toRawForm();
 492
 493     // Remove the cookie from the list.
 494     cookieListPointer->remove(cookie);
 495
 496     // Update the action text.
 497     cookiesActionPointer->setText(i18nc("The Cookies action, which also displays the number of cookies", "Cookies - %1", cookieListPointer->size()));
 498 }
 499
 500 void BrowserWindow::showProgressBar(const int &progress) const
 501 {
 502     // Set the progress bar value.
 503     progressBarPointer->setValue(progress);
 504
 505     // Show the progress bar.
 506     progressBarPointer->show();
 507 }
 508
 509 QSize BrowserWindow::sizeHint() const
 510 {
 511     // Return the default window size.
 512     return QSize(1500, 1200);
 513 }
 514
 515 void BrowserWindow::settingsConfigure()
 516 {
 517     // Check to make sure the dialog box isn't already displayed.
 518     if (KConfigDialog::exists(QStringLiteral("settings")))
 519     {
 520         // Show the existing config dialog if it is hidden.
 521         configDialogPointer->show();
 522
 523         // Raise the existing config dialog if it is below other windows.
 524         configDialogPointer->raise();
 525
 526         // Restore the existing config dialog if it has been minimized.
 527         if (configDialogPointer->isMinimized()) {
 528             configDialogPointer->showNormal();
 529         }
 530
 531         // Activate the existing config dialog, which brings its virtual desktop into focus.
 532         configDialogPointer->activateWindow();
 533     }
 534     else
 535     {
 536         // Create the settings widgets.
 537         QWidget *privacySettingsWidgetPointer = new QWidget;
 538         QWidget *generalSettingsWidgetPointer = new QWidget;
 539
 540         // Instantiate the settings UI.
 541         Ui::PrivacySettings privacySettingsUi;
 542         Ui::GeneralSettings generalSettingsUi;
 543
 544         // Setup the UI to display the settings widgets.
 545         privacySettingsUi.setupUi(privacySettingsWidgetPointer);
 546         generalSettingsUi.setupUi(generalSettingsWidgetPointer);
 547
 548         // Get handles for the widgets.
 549         QComboBox *userAgentComboBoxPointer = privacySettingsUi.kcfg_userAgent;
 550         userAgentLabelPointer = privacySettingsUi.userAgentLabel;
 551         QComboBox *searchEngineComboBoxPointer = generalSettingsUi.kcfg_searchEngine;
 552         searchEngineLabelPointer = generalSettingsUi.searchEngineLabel;
 553
 554         // Populate the combo box labels.
 555         updateUserAgentLabel(userAgentComboBoxPointer->currentText());
 556         updateSearchEngineLabel(searchEngineComboBoxPointer->currentText());
 557
 558         // Update the labels when the combo boxes change.
 559         connect(userAgentComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateUserAgentLabel(const QString)));
 560         connect(searchEngineComboBoxPointer, SIGNAL(currentTextChanged(const QString)), this, SLOT(updateSearchEngineLabel(const QString)));
 561
 562         // Instantiate a settings config dialog from the settings.kcfg file.
 563         configDialogPointer = new KConfigDialog(this, QStringLiteral("settings"), Settings::self());
 564
 565         // Add the settings widgets as config dialog pages.
 566         configDialogPointer->addPage(privacySettingsWidgetPointer, i18nc("@title:tab", "Privacy"), QStringLiteral("privacy-browser"));
 567         configDialogPointer->addPage(generalSettingsWidgetPointer, i18nc("@title:tab", "General"), QStringLiteral("breeze-settings"));
 568
 569         // Delete the config dialog when it is closed.
 570         configDialogPointer->setAttribute(Qt::WA_DeleteOnClose);
 571
 572         // Make it so.
 573         configDialogPointer->show();
 574
 575         // TODO.  KConfigDialog does not respect expanding size policies.  <https://redmine.stoutner.com/issues/823>
 576         //configDialogPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 577         //privacySettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 578         //generalSettingsWidgetPointer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 579         //configDialogPointer->adjustSize();
 580
 581         // Expand the config dialog.
 582         configDialogPointer->resize(1000, 500);
 583
 584         // Apply the settings when they are updated.
 585         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyApplicationSettings()));
 586         connect(configDialogPointer, SIGNAL(settingsChanged(QString)), browserViewPointer, SLOT(applyDomainSettingsAndReload()));
 587     }
 588 }
 589
 590 void BrowserWindow::toggleDomStorage() const
 591 {
 592     // Remove the focus from the URL line edit.
 593     urlLineEditPointer->clearFocus();
 594
 595     // Toggle DOM storage.
 596     browserViewPointer->toggleDomStorage();
 597 }
 598
 599 void BrowserWindow::toggleJavaScript() const
 600 {
 601     // Remove the focus from the URL line edit.
 602     urlLineEditPointer->clearFocus();
 603
 604     // Toggle JavaScript.
 605     browserViewPointer->toggleJavaScript();
 606 }
 607
 608 void BrowserWindow::toggleLocalStorage() const
 609 {
 610     // Remove the focus from the URL line edit.
 611     urlLineEditPointer->clearFocus();
 612
 613     // Toggle local storage.
 614     browserViewPointer->toggleLocalStorage();
 615 }
 616
 617 void BrowserWindow::toggleFullScreen()
 618 {
 619     // Toggle the full screen status.
 620     if (fullScreenActionPointer->isChecked())  // Enable full screen browsing mode.
 621     {
 622         // Enable full screen mode.
 623         fullScreenActionPointer->setFullScreen(window(), true);
 624
 625         // Hide the menu bar if specified.
 626         if (Settings::fullScreenHideMenuBar())
 627             menuBar()->setVisible(false);
 628
 629         // Hide the toolbars if specified.
 630         if (Settings::fullScreenHideToolBars())
 631         {
 632             navigationToolBarPointer->setVisible(false);
 633             urlToolBarPointer->setVisible(false);
 634         }
 635
 636         // Hide the status bar if specified.
 637         if (Settings::fullScreenHideStatusBar())
 638             statusBar()->setVisible(false);
 639     }
 640     else  // Disable full screen browsing mode.
 641     {
 642         // Disable full screen mode.
 643         fullScreenActionPointer->setFullScreen(window(), false);
 644
 645         // Show the menu bar.
 646         menuBar()->setVisible(true);
 647
 648         // Show the toolbars.
 649         navigationToolBarPointer->setVisible(true);
 650         urlToolBarPointer->setVisible(true);
 651
 652         // Show the status bar.
 653         statusBar()->setVisible(true);
 654     }
 655 }
 656
 657 void BrowserWindow::updateDomStorageAction(const bool &isEnabled) const
 658 {
 659     // Set the action checked status.
 660     domStorageActionPointer->setChecked(isEnabled);
 661 }
 662
 663 void BrowserWindow::updateDomainSettingsIndicator(const bool &status, const QString &domainSettingsDomain)
 664 {
 665     // Set the domain palette according to the status.
 666     if (status)
 667         urlLineEditPointer->setPalette(domainSettingsPalette);
 668     else
 669         urlLineEditPointer->setPalette(noDomainSettingsPalette);
 670
 671     // Store the domain.
 672     currentDomainSettingsDomain = domainSettingsDomain;
 673 }
 674
 675 void BrowserWindow::updateJavaScriptAction(const bool &isEnabled)
 676 {
 677     // Update the JavaScript status.
 678     javaScriptEnabled = isEnabled;
 679
 680     // Set the icon according to the status.
 681     if (javaScriptEnabled)
 682         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/javascript-warning")));
 683     else
 684         javaScriptActionPointer->setIcon(QIcon(QStringLiteral(":/icons/privacy-mode")));
 685
 686     // Set the action checked status.
 687     javaScriptActionPointer->setChecked(javaScriptEnabled);
 688
 689     // Update the status of the DOM storage action.
 690     domStorageActionPointer->setEnabled(javaScriptEnabled & localStorageEnabled);
 691 }
 692
 693 void BrowserWindow::updateLocalStorageAction(const bool &isEnabled)
 694 {
 695     // Update the local storage status.
 696     localStorageEnabled = isEnabled;
 697
 698     // Update the icon.
 699     if (localStorageEnabled)
 700         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota-high")));
 701     else
 702         localStorageActionPointer->setIcon(QIcon::fromTheme(QStringLiteral("disk-quota")));
 703
 704     // Set the action checked status.
 705     localStorageActionPointer->setChecked(localStorageEnabled);
 706
 707     // Update the status of the DOM storage action.
 708     domStorageActionPointer->setEnabled(localStorageEnabled & javaScriptEnabled);
 709 }
 710
 711 void BrowserWindow::updateSearchEngineActions(const QString &searchEngine, const bool &updateCustomSearchEngineStatus)
 712 {
 713     // Initialize the custom search engine flag.
 714     bool customSearchEngine = false;
 715
 716     if (searchEngine == "Mojeek")  // Mojeek.
 717     {
 718         // Check the Mojeek user agent action.
 719         searchEngineMojeekActionPointer->setChecked(true);
 720
 721         // Update the search engine menu action text.
 722         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Mojeek"));
 723     }
 724     else if (searchEngine == "Monocles")  // Monocles.
 725     {
 726         // Check the Monocles user agent action.
 727         searchEngineMonoclesActionPointer->setChecked(true);
 728
 729         // Update the search engine menu action text.
 730         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Monocles"));
 731     }
 732     else if (searchEngine == "MetaGer")  // MetaGer.
 733     {
 734         // Check the MetaGer user agent action.
 735         searchEngineMetagerActionPointer->setChecked(true);
 736
 737         // Update the search engine menu action text.
 738         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - MetaGer"));
 739     }
 740     else if (searchEngine == "Google")  // Google.
 741     {
 742         // Check the Google user agent action.
 743         searchEngineGoogleActionPointer->setChecked(true);
 744
 745         // Update the search engine menu action text.
 746         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Google"));
 747     }
 748     else if (searchEngine == "Bing")  // Bing.
 749     {
 750         // Check the Bing user agent action.
 751         searchEngineBingActionPointer->setChecked(true);
 752
 753         // Update the search engine menu action text.
 754         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Bing"));
 755     }
 756     else if (searchEngine == "Yahoo")  // Yahoo.
 757     {
 758         // Check the Yahoo user agent action.
 759         searchEngineYahooActionPointer->setChecked(true);
 760
 761         // Update the search engine menu action text.
 762         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Yahoo"));
 763     }
 764     else  // Custom search engine.
 765     {
 766         // Check the user agent.
 767         searchEngineCustomActionPointer->setChecked(true);
 768
 769         // Update the search engine menu action text.
 770         searchEngineMenuActionPointer->setText(i18nc("The main search engine menu action", "Search Engine - Custom"));
 771
 772         // Set the custom search engine text.
 773         searchEngineCustomActionPointer->setText(searchEngine);
 774
 775         // Set the custom search engine flag.
 776         customSearchEngine = true;
 777     }
 778
 779     // Update the custom search engine enabled boolean.
 780     if (updateCustomSearchEngineStatus)
 781         customSearchEngineEnabled = customSearchEngine;
 782
 783     // Format the custom search engine.
 784     if (customSearchEngineEnabled)
 785     {
 786         // Enable the custom search engine.
 787         searchEngineCustomActionPointer->setEnabled(true);
 788     }
 789     else
 790     {
 791         // Disable the custom search engine.
 792         searchEngineCustomActionPointer->setEnabled(false);
 793
 794         // Reset the custom search engine text.
 795         searchEngineCustomActionPointer->setText(i18nc("@action", "Custom"));
 796     }
 797 }
 798
 799 void BrowserWindow::updateUserAgentActions(const QString &userAgent, const bool &updateCustomUserAgentStatus)
 800 {
 801     // Initialize the custom user agent flag.
 802     bool customUserAgent = false;
 803
 804     // Check the indicated on-the-fly user agent.
 805     if (userAgent == UserAgentHelper::PRIVACY_BROWSER_USER_AGENT)  // Privacy Browser.
 806     {
 807         // Check the Privacy Browser user agent action.
 808         userAgentPrivacyBrowserActionPointer->setChecked(true);
 809
 810         // Update the user agent menu action text.
 811         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Privacy Browser"));
 812     }
 813     else if (userAgent == BrowserView::webEngineDefaultUserAgent)  // WebEngine default.
 814     {
 815         // check the WebEngine default user agent action.
 816         userAgentWebEngineDefaultActionPointer->setChecked(true);
 817
 818         // Update the user agent menu action text.
 819         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - WebEngine default"));
 820     }
 821     else if (userAgent == UserAgentHelper::FIREFOX_LINUX_USER_AGENT)  // Firefox on Linux.
 822     {
 823         // Check the Firefox on Linux user agent action.
 824         userAgentFirefoxLinuxActionPointer->setChecked(true);
 825
 826         // Update the user agent menu action text.
 827         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Linux"));
 828     }
 829     else if (userAgent == UserAgentHelper::CHROMIUM_LINUX_USER_AGENT)  // Chromium on Linux.
 830     {
 831         // Check the Chromium on Linux user agent action.
 832         userAgentChromiumLinuxActionPointer->setChecked(true);
 833
 834         // Update the user agent menu action text.
 835         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chromium on Linux"));
 836     }
 837     else if (userAgent == UserAgentHelper::FIREFOX_WINDOWS_USER_AGENT)  // Firefox on Windows.
 838     {
 839         // Check the Firefox on Windows user agent action.
 840         userAgentFirefoxWindowsActionPointer->setChecked(true);
 841
 842         // Update the user agent menu action text.
 843         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Firefox on Windows"));
 844     }
 845     else if (userAgent == UserAgentHelper::CHROME_WINDOWS_USER_AGENT)  // Chrome on Windows.
 846     {
 847         // Check the Chrome on Windows user agent action.
 848         userAgentChromeWindowsActionPointer->setChecked(true);
 849
 850         // Update the user agent menu action text.
 851         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Chrome on Windows"));
 852     }
 853     else if (userAgent == UserAgentHelper::EDGE_WINDOWS_USER_AGENT)  // Edge on Windows.
 854     {
 855         // Check the Edge on Windows user agent action.
 856         userAgentEdgeWindowsActionPointer->setChecked(true);
 857
 858         // Update the user agent menu action text.
 859         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Edge on Windows"));
 860     }
 861     else if (userAgent == UserAgentHelper::SAFARI_MACOS_USER_AGENT)  // Safari on macOS.
 862     {
 863         // Check the Safari on macOS user agent action.
 864         userAgentSafariMacosActionPointer->setChecked(true);
 865
 866         // Update the user agent menu action text.
 867         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Safari on macOS"));
 868     }
 869     else  // Custom user agent.
 870     {
 871         // Check the user agent.
 872         userAgentCustomActionPointer->setChecked(true);
 873
 874         // Update the user agent menu action text.
 875         userAgentMenuActionPointer->setText(i18nc("The main user agent menu action", "User Agent - Custom"));
 876
 877         // Set the custom user agent text.
 878         userAgentCustomActionPointer->setText(userAgent);
 879
 880         // Set the custom user agent flag.
 881         customUserAgent = true;
 882     }
 883
 884     // Update the custom user agent enabled boolean.
 885     if (updateCustomUserAgentStatus)
 886         customUserAgentEnabled = customUserAgent;
 887
 888
 889     // Format the custom user agent.
 890     if (customUserAgentEnabled)
 891     {
 892         // Enable the custom user agent.
 893         userAgentCustomActionPointer->setEnabled(true);
 894     }
 895     else
 896     {
 897         // Disable the custom user agent.
 898         userAgentCustomActionPointer->setEnabled(false);
 899
 900         // Reset the custom user agent text.
 901         userAgentCustomActionPointer->setText(i18nc("@action", "Custom"));
 902     }
 903 }
 904
 905 void BrowserWindow::updateZoomFactorAction(const double &zoomFactor)
 906 {
 907     // Set the current zoom factor.
 908     currentZoomFactor = zoomFactor;
 909
 910     // Update the zoom factor action text, formatting the double with 2 decimal places.
 911     zoomFactorActionPointer->setText(ki18nc("@action", "Zoom Factor - %1").subs(zoomFactor, 0, '0', 2).toString());
 912 }
 913
 914 void BrowserWindow::updateSearchEngineLabel(const QString &searchEngineString) const
 915 {
 916     // Update the search engine label.
 917     searchEngineLabelPointer->setText(SearchEngineHelper::getSearchUrl(searchEngineString));
 918 }
 919
 920 void BrowserWindow::updateUrlLineEdit(const QUrl &newUrl)
 921 {
 922     // Update the URL line edit if it does not have focus.
 923     if (!urlLineEditPointer->hasFocus())
 924     {
 925         // Update the URL line edit.
 926         urlLineEditPointer->setText(newUrl.toString());
 927     }
 928
 929     // Store the current URL.
 930     currentUrl = newUrl;
 931 }
 932
 933 void BrowserWindow::updateUserAgentLabel(const QString &userAgentDatabaseName) const
 934 {
 935     // Update the user agent label.
 936     userAgentLabelPointer->setText(UserAgentHelper::getUserAgentFromDatabaseName(userAgentDatabaseName));
 937 }