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