]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/fragments/SettingsFragment.java
Make first-party cookies tab aware.
[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / fragments / SettingsFragment.java
index af87568b34493537dab5d04d9fe234779f2a8bcf..c22da979983282c4ef40409db5ff6e17d954d9e5 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2016-2018 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2019 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
  *
@@ -78,8 +78,7 @@ public class SettingsFragment extends PreferenceFragment {
         final Preference searchPreference = findPreference("search");
         final Preference searchCustomURLPreference = findPreference("search_custom_url");
         final Preference fullScreenBrowsingModePreference = findPreference("full_screen_browsing_mode");
-        final Preference hideSystemBarsPreference = findPreference("hide_system_bars");
-        final Preference translucentNavigationBarPreference = findPreference("translucent_navigation_bar");
+        final Preference hideAppBarPreference = findPreference("hide_app_bar");
         final Preference clearEverythingPreference = findPreference("clear_everything");
         final Preference clearCookiesPreference = findPreference("clear_cookies");
         final Preference clearDomStoragePreference = findPreference("clear_dom_storage");
@@ -88,8 +87,9 @@ public class SettingsFragment extends PreferenceFragment {
         final Preference homepagePreference = findPreference("homepage");
         final Preference fontSizePreference = findPreference("font_size");
         final Preference swipeToRefreshPreference = findPreference("swipe_to_refresh");
-        final Preference downloadWithExternalAppPreference = findPreference("download_with_external_app");
+        final Preference scrollAppBarPreference = findPreference("scroll_app_bar");
         final Preference displayAdditionalAppBarIconsPreference = findPreference("display_additional_app_bar_icons");
+        final Preference downloadWithExternalAppPreference = findPreference("download_with_external_app");
         final Preference darkThemePreference = findPreference("dark_theme");
         final Preference nightModePreference = findPreference("night_mode");
         final Preference displayWebpageImagesPreference = findPreference("display_webpage_images");
@@ -97,9 +97,9 @@ public class SettingsFragment extends PreferenceFragment {
         // Set dependencies.
         torHomepagePreference.setDependency("proxy_through_orbot");
         torSearchPreference.setDependency("proxy_through_orbot");
-        hideSystemBarsPreference.setDependency("full_screen_browsing_mode");
+        hideAppBarPreference.setDependency("full_screen_browsing_mode");
 
-        // Get Strings from the preferences.
+        // Get strings from the preferences.
         String torSearchString = savedPreferences.getString("tor_search", getString(R.string.tor_search_default_value));
         String searchString = savedPreferences.getString("search", getString(R.string.search_default_value));
 
@@ -111,8 +111,8 @@ public class SettingsFragment extends PreferenceFragment {
         boolean fanboySocialBlockingEnabled = savedPreferences.getBoolean("fanboys_social_blocking_list", true);
         boolean proxyThroughOrbot = savedPreferences.getBoolean("proxy_through_orbot", false);
         boolean fullScreenBrowsingMode = savedPreferences.getBoolean("full_screen_browsing_mode", false);
-        boolean hideSystemBars = savedPreferences.getBoolean("hide_system_bars", false);
         boolean clearEverything = savedPreferences.getBoolean("clear_everything", true);
+        boolean darkTheme = savedPreferences.getBoolean("dark_theme", false);
         final boolean nightMode = savedPreferences.getBoolean("night_mode", false);
 
         // Only enable the third-party cookies preference if first-party cookies are enabled and API >= 21.
@@ -212,11 +212,7 @@ public class SettingsFragment extends PreferenceFragment {
         searchCustomURLPreference.setSummary(savedPreferences.getString("search_custom_url", getString(R.string.search_custom_url_default_value)));
         searchCustomURLPreference.setEnabled(searchString.equals("Custom URL"));
 
-
-        // Enable the translucent navigation bar preference only if full screen browsing mode is enabled and `hide_system_bars` is disabled.
-        translucentNavigationBarPreference.setEnabled(fullScreenBrowsingMode && !hideSystemBars);
-
-        // Set the status of the `Clear and Exit` preferences.
+        // Set the status of the Clear and Exit preferences.
         clearCookiesPreference.setEnabled(!clearEverything);
         clearDomStoragePreference.setEnabled(!clearEverything);
         clearFormDataPreference.setEnabled(!clearEverything);  // The form data line can be removed once the minimum API is >= 26.
@@ -242,7 +238,7 @@ public class SettingsFragment extends PreferenceFragment {
         if (firstPartyCookiesEnabled) {
             firstPartyCookiesPreference.setIcon(R.drawable.cookies_enabled);
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 firstPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_dark);
             } else {
                 firstPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_light);
@@ -254,14 +250,14 @@ public class SettingsFragment extends PreferenceFragment {
             if (thirdPartyCookiesEnabled) {
                 thirdPartyCookiesPreference.setIcon(R.drawable.cookies_warning);
             } else {
-                if (MainWebViewActivity.darkTheme) {
+                if (darkTheme) {
                     thirdPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_dark);
                 } else {
                     thirdPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_light);
                 }
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 thirdPartyCookiesPreference.setIcon(R.drawable.cookies_ghosted_dark);
             } else {
                 thirdPartyCookiesPreference.setIcon(R.drawable.cookies_ghosted_light);
@@ -273,14 +269,14 @@ public class SettingsFragment extends PreferenceFragment {
             if (savedPreferences.getBoolean("dom_storage", false)) {  // DOM storage is enabled.
                 domStoragePreference.setIcon(R.drawable.dom_storage_enabled);
             } else {  // DOM storage is disabled.
-                if (MainWebViewActivity.darkTheme) {
+                if (darkTheme) {
                     domStoragePreference.setIcon(R.drawable.dom_storage_disabled_dark);
                 } else {
                     domStoragePreference.setIcon(R.drawable.dom_storage_disabled_light);
                 }
             }
         } else {  // The preference is disabled.  The icon should be ghosted.
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 domStoragePreference.setIcon(R.drawable.dom_storage_ghosted_dark);
             } else {
                 domStoragePreference.setIcon(R.drawable.dom_storage_ghosted_light);
@@ -292,7 +288,7 @@ public class SettingsFragment extends PreferenceFragment {
             if (savedPreferences.getBoolean("save_form_data", false)) {
                 saveFormDataPreference.setIcon(R.drawable.form_data_enabled);
             } else {
-                if (MainWebViewActivity.darkTheme) {
+                if (darkTheme) {
                     saveFormDataPreference.setIcon(R.drawable.form_data_disabled_dark);
                 } else {
                     saveFormDataPreference.setIcon(R.drawable.form_data_disabled_light);
@@ -302,13 +298,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the custom user agent icon.
         if (customUserAgentPreference.isEnabled()) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_enabled_dark);
             } else {
                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_ghosted_dark);
             } else {
                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_ghosted_light);
@@ -317,13 +313,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the incognito mode icon.
         if (savedPreferences.getBoolean("incognito_mode", false)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 incognitoModePreference.setIcon(R.drawable.incognito_mode_enabled_dark);
             } else {
                 incognitoModePreference.setIcon(R.drawable.incognito_mode_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 incognitoModePreference.setIcon(R.drawable.incognito_mode_disabled_dark);
             } else {
                 incognitoModePreference.setIcon(R.drawable.incognito_mode_disabled_light);
@@ -332,13 +328,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the Do Not Track icon.
         if (savedPreferences.getBoolean("do_not_track", false)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 doNotTrackPreference.setIcon(R.drawable.block_tracking_enabled_dark);
             } else {
                 doNotTrackPreference.setIcon(R.drawable.block_tracking_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 doNotTrackPreference.setIcon(R.drawable.block_tracking_disabled_dark);
             } else {
                 doNotTrackPreference.setIcon(R.drawable.block_tracking_disabled_light);
@@ -347,13 +343,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the allow screenshots icon.
         if (savedPreferences.getBoolean("allow_screenshots", false)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_enabled_dark);
             } else {
                 allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_disabled_dark);
             } else {
                 allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_disabled_light);
@@ -362,13 +358,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the EasyList icon.
         if (savedPreferences.getBoolean("easylist", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 easyListPreference.setIcon(R.drawable.block_ads_enabled_dark);
             } else {
                 easyListPreference.setIcon(R.drawable.block_ads_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 easyListPreference.setIcon(R.drawable.block_ads_disabled_dark);
             } else {
                 easyListPreference.setIcon(R.drawable.block_ads_disabled_light);
@@ -377,13 +373,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the EasyPrivacy icon.
         if (savedPreferences.getBoolean("easyprivacy", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 easyPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_dark);
             } else {
                 easyPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 easyPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_dark);
             } else {
                 easyPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_light);
@@ -392,7 +388,7 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the Fanboy lists icons.
         if (fanboyAnnoyanceListEnabled) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 // Set the Fanboy annoyance list icon.
                 fanboyAnnoyanceListPreference.setIcon(R.drawable.social_media_enabled_dark);
 
@@ -406,7 +402,7 @@ public class SettingsFragment extends PreferenceFragment {
                 fanboySocialBlockingListPreference.setIcon(R.drawable.social_media_ghosted_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 // Set the Fanboy annoyance list icon.
                 fanboyAnnoyanceListPreference.setIcon(R.drawable.social_media_disabled_dark);
 
@@ -431,13 +427,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the UltraPrivacy icon.
         if (savedPreferences.getBoolean("ultraprivacy", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 ultraPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_dark);
             } else {
                 ultraPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 ultraPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_dark);
             } else {
                 ultraPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_light);
@@ -446,13 +442,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the block all third-party requests icon.
         if (savedPreferences.getBoolean("block_all_third_party_requests", false)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_enabled_dark);
             } else {
                 blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_disabled_dark);
             } else {
                 blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_disabled_light);
@@ -461,7 +457,7 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the Tor icons according to the theme.
         if (proxyThroughOrbot) {  // Proxying is enabled.
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 proxyThroughOrbotPreference.setIcon(R.drawable.orbot_enabled_dark);
                 torHomepagePreference.setIcon(R.drawable.home_enabled_dark);
                 torSearchPreference.setIcon(R.drawable.search_enabled_dark);
@@ -485,7 +481,7 @@ public class SettingsFragment extends PreferenceFragment {
                 }
             }
         } else {  // Proxying is disabled.
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 proxyThroughOrbotPreference.setIcon(R.drawable.orbot_disabled_dark);
                 torHomepagePreference.setIcon(R.drawable.home_ghosted_dark);
                 torSearchPreference.setIcon(R.drawable.search_ghosted_dark);
@@ -500,13 +496,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the search custom URL icon.
         if (searchCustomURLPreference.isEnabled()) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 searchCustomURLPreference.setIcon(R.drawable.search_custom_url_enabled_dark);
             } else {
                 searchCustomURLPreference.setIcon(R.drawable.search_custom_url_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 searchCustomURLPreference.setIcon(R.drawable.search_custom_url_ghosted_dark);
             } else {
                 searchCustomURLPreference.setIcon(R.drawable.search_custom_url_ghosted_light);
@@ -516,61 +512,42 @@ public class SettingsFragment extends PreferenceFragment {
         // Set the full screen browsing mode icons.
         if (fullScreenBrowsingMode) {  // Full screen browsing mode is enabled.
             // Set the `fullScreenBrowsingModePreference` icon according to the theme.
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_enabled_dark);
             } else {
                 fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_enabled_light);
             }
 
-            if (hideSystemBars) {  // `hideSystemBarsBoolean` is `true`.
-                // Set the icons according to the theme.
-                if (MainWebViewActivity.darkTheme) {
-                    hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_enabled_dark);
-                    translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_dark);
+            // Set the hide app bar icon.
+            if (savedPreferences.getBoolean("hide_app_bar", true)) {  // Hide app bar is enabled.
+                // Set the icon according to the theme.
+                if (darkTheme) {
+                    hideAppBarPreference.setIcon(R.drawable.app_bar_enabled_dark);
                 } else {
-                    hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_enabled_light);
-                    translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_light);
+                    hideAppBarPreference.setIcon(R.drawable.app_bar_enabled_light);
                 }
-            } else {  // `hideSystemBarsBoolean` is `false`.
-                // Set the `hideSystemBarsPreference` icon according to the theme.
-                if (MainWebViewActivity.darkTheme) {
-                    // Set the icon for `hideSystemBarsPreference`.
-                    hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_disabled_dark);
-
-                    // Set the icon for `translucentNavigationBarPreference`.
-                    if (savedPreferences.getBoolean("translucent_navigation_bar", true)) {
-                        translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_dark);
-                    } else {
-                        translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_dark);
-                    }
+            } else {  // Hide app bar is disabled.
+                // Set the icon according to the theme.
+                if (darkTheme) {
+                    hideAppBarPreference.setIcon(R.drawable.app_bar_disabled_dark);
                 } else {
-                    // Set the icon for `hideSystemBarsPreference`.
-                    hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_disabled_light);
-
-                    // Set the icon for `translucentNavigationBarPreference`.
-                    if (savedPreferences.getBoolean("translucent_navigation_bar", true)) {
-                        translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_light);
-                    } else {
-                        translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_light);
-                    }
+                    hideAppBarPreference.setIcon(R.drawable.app_bar_disabled_light);
                 }
             }
         } else {  // Full screen browsing mode is disabled.
             // Set the icons according to the theme.
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_disabled_dark);
-                hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_ghosted_dark);
-                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_dark);
+                hideAppBarPreference.setIcon(R.drawable.app_bar_ghosted_dark);
             } else {
                 fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_disabled_light);
-                hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_ghosted_light);
-                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_light);
+                hideAppBarPreference.setIcon(R.drawable.app_bar_ghosted_light);
             }
         }
 
         // Set the clear everything preference icon.
         if (clearEverything) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 clearEverythingPreference.setIcon(R.drawable.clear_everything_enabled_dark);
             } else {
                 clearEverythingPreference.setIcon(R.drawable.clear_everything_enabled_light);
@@ -581,7 +558,7 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the clear cookies preference icon.
         if (clearEverything || savedPreferences.getBoolean("clear_cookies", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 clearCookiesPreference.setIcon(R.drawable.cookies_cleared_dark);
             } else {
                 clearCookiesPreference.setIcon(R.drawable.cookies_cleared_light);
@@ -592,7 +569,7 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the clear DOM storage preference icon.
         if (clearEverything || savedPreferences.getBoolean("clear_dom_storage", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 clearDomStoragePreference.setIcon(R.drawable.dom_storage_cleared_dark);
             } else {
                 clearDomStoragePreference.setIcon(R.drawable.dom_storage_cleared_light);
@@ -604,7 +581,7 @@ public class SettingsFragment extends PreferenceFragment {
         // Set the clear form data preference icon if the API < 26.  It has no effect on newer versions of Android.
         if (Build.VERSION.SDK_INT < 26) {
             if (clearEverything || savedPreferences.getBoolean("clear_form_data", true)) {
-                if (MainWebViewActivity.darkTheme) {
+                if (darkTheme) {
                     clearFormDataPreference.setIcon(R.drawable.form_data_cleared_dark);
                 } else {
                     clearFormDataPreference.setIcon(R.drawable.form_data_cleared_light);
@@ -616,7 +593,7 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the clear cache preference icon.
         if (clearEverything || savedPreferences.getBoolean("clear_cache", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 clearCachePreference.setIcon(R.drawable.cache_cleared_dark);
             } else {
                 clearCachePreference.setIcon(R.drawable.cache_cleared_light);
@@ -627,49 +604,64 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the swipe to refresh preference icon.
         if (savedPreferences.getBoolean("swipe_to_refresh", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 swipeToRefreshPreference.setIcon(R.drawable.refresh_enabled_dark);
             } else {
                 swipeToRefreshPreference.setIcon(R.drawable.refresh_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 swipeToRefreshPreference.setIcon(R.drawable.refresh_disabled_dark);
             } else {
                 swipeToRefreshPreference.setIcon(R.drawable.refresh_disabled_light);
             }
         }
 
-        // Set the download with external app preference icon.
-        if (savedPreferences.getBoolean("download_with_external_app", false)) {
-            if (MainWebViewActivity.darkTheme) {
-                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_dark);
+        // Set the scroll app bar preference icon.
+        if (savedPreferences.getBoolean("scroll_app_bar", true)) {
+            if (darkTheme) {
+                scrollAppBarPreference.setIcon(R.drawable.app_bar_enabled_dark);
             } else {
-                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_light);
+                scrollAppBarPreference.setIcon(R.drawable.app_bar_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
-                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_dark);
+            if (darkTheme) {
+                scrollAppBarPreference.setIcon(R.drawable.app_bar_disabled_dark);
             } else {
-                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_light);
+                scrollAppBarPreference.setIcon(R.drawable.app_bar_disabled_light);
             }
         }
 
         // Set the display additional app bar icons preference icon.
         if (savedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_enabled_dark);
             } else {
                 displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_disabled_dark);
             } else {
                 displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_disabled_light);
             }
         }
 
+        // Set the download with external app preference icon.
+        if (savedPreferences.getBoolean("download_with_external_app", false)) {
+            if (darkTheme) {
+                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_dark);
+            } else {
+                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_light);
+            }
+        } else {
+            if (darkTheme) {
+                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_dark);
+            } else {
+                downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_light);
+            }
+        }
+
         // Set the dark theme preference icon.
         if (savedPreferences.getBoolean("dark_theme", false)) {
             darkThemePreference.setIcon(R.drawable.theme_dark);
@@ -679,13 +671,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the night mode preference icon.
         if (nightMode) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 nightModePreference.setIcon(R.drawable.night_mode_enabled_dark);
             } else {
                 nightModePreference.setIcon(R.drawable.night_mode_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 nightModePreference.setIcon(R.drawable.night_mode_disabled_dark);
             } else {
                 nightModePreference.setIcon(R.drawable.night_mode_disabled_light);
@@ -694,13 +686,13 @@ public class SettingsFragment extends PreferenceFragment {
 
         // Set the display webpage images preference icon.
         if (savedPreferences.getBoolean("display_webpage_images", true)) {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 displayWebpageImagesPreference.setIcon(R.drawable.images_enabled_dark);
             } else {
                 displayWebpageImagesPreference.setIcon(R.drawable.images_enabled_light);
             }
         } else {
-            if (MainWebViewActivity.darkTheme) {
+            if (darkTheme) {
                 displayWebpageImagesPreference.setIcon(R.drawable.images_disabled_dark);
             } else {
                 displayWebpageImagesPreference.setIcon(R.drawable.images_disabled_light);
@@ -724,7 +716,7 @@ public class SettingsFragment extends PreferenceFragment {
                         if (sharedPreferences.getBoolean("dom_storage", false)) {
                             domStoragePreference.setIcon(R.drawable.dom_storage_enabled);
                         } else {
-                            if (MainWebViewActivity.darkTheme) {
+                            if (darkTheme) {
                                 domStoragePreference.setIcon(R.drawable.dom_storage_disabled_dark);
                             } else {
                                 domStoragePreference.setIcon(R.drawable.dom_storage_disabled_light);
@@ -738,7 +730,7 @@ public class SettingsFragment extends PreferenceFragment {
                         domStoragePreference.setEnabled(false);
 
                         // Set the icon for DOM storage preference to be ghosted.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             domStoragePreference.setIcon(R.drawable.dom_storage_ghosted_dark);
                         } else {
                             domStoragePreference.setIcon(R.drawable.dom_storage_ghosted_light);
@@ -757,14 +749,14 @@ public class SettingsFragment extends PreferenceFragment {
                             if (sharedPreferences.getBoolean("third_party_cookies", false)) {
                                 thirdPartyCookiesPreference.setIcon(R.drawable.cookies_warning);
                             } else {
-                                if (MainWebViewActivity.darkTheme) {
+                                if (darkTheme) {
                                     thirdPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_dark);
                                 } else {
                                     thirdPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_light);
                                 }
                             }
                         } else {
-                            if (MainWebViewActivity.darkTheme) {
+                            if (darkTheme) {
                                 thirdPartyCookiesPreference.setIcon(R.drawable.cookies_ghosted_dark);
                             } else {
                                 thirdPartyCookiesPreference.setIcon(R.drawable.cookies_ghosted_light);
@@ -772,14 +764,14 @@ public class SettingsFragment extends PreferenceFragment {
                         }
                     } else {  // `first_party_cookies` is `false`.
                         // Update the icon for `first_party_cookies`.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             firstPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_dark);
                         } else {
                             firstPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_light);
                         }
 
                         // Set the icon for `third_party_cookies` to be ghosted.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             thirdPartyCookiesPreference.setIcon(R.drawable.cookies_ghosted_dark);
                         } else {
                             thirdPartyCookiesPreference.setIcon(R.drawable.cookies_ghosted_light);
@@ -795,7 +787,7 @@ public class SettingsFragment extends PreferenceFragment {
                     if (sharedPreferences.getBoolean("third_party_cookies", false)) {
                         thirdPartyCookiesPreference.setIcon(R.drawable.cookies_warning);
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             thirdPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_dark);
                         } else {
                             thirdPartyCookiesPreference.setIcon(R.drawable.cookies_disabled_light);
@@ -808,7 +800,7 @@ public class SettingsFragment extends PreferenceFragment {
                     if (sharedPreferences.getBoolean("dom_storage", false)) {
                         domStoragePreference.setIcon(R.drawable.dom_storage_enabled);
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             domStoragePreference.setIcon(R.drawable.dom_storage_disabled_dark);
                         } else {
                             domStoragePreference.setIcon(R.drawable.dom_storage_disabled_light);
@@ -822,12 +814,13 @@ public class SettingsFragment extends PreferenceFragment {
                     if (sharedPreferences.getBoolean("save_form_data", false)) {
                         saveFormDataPreference.setIcon(R.drawable.form_data_enabled);
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             saveFormDataPreference.setIcon(R.drawable.form_data_disabled_dark);
                         } else {
                             saveFormDataPreference.setIcon(R.drawable.form_data_disabled_light);
                         }
                     }
+                    break;
 
                 case "user_agent":
                     // Get the new user agent name.
@@ -849,7 +842,7 @@ public class SettingsFragment extends PreferenceFragment {
                             customUserAgentPreference.setEnabled(false);
 
                             // Set the custom user agent preference icon according to the theme.
-                            if (MainWebViewActivity.darkTheme) {
+                            if (darkTheme) {
                                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_ghosted_dark);
                             } else {
                                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_ghosted_light);
@@ -864,7 +857,7 @@ public class SettingsFragment extends PreferenceFragment {
                             customUserAgentPreference.setEnabled(true);
 
                             // Set the custom user agent preference icon according to the theme.
-                            if (MainWebViewActivity.darkTheme) {
+                            if (darkTheme) {
                                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_enabled_dark);
                             } else {
                                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_enabled_light);
@@ -879,7 +872,7 @@ public class SettingsFragment extends PreferenceFragment {
                             customUserAgentPreference.setEnabled(false);
 
                             // Set the custom user agent preference icon according to the theme.
-                            if (MainWebViewActivity.darkTheme) {
+                            if (darkTheme) {
                                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_ghosted_dark);
                             } else {
                                 customUserAgentPreference.setIcon(R.drawable.custom_user_agent_ghosted_light);
@@ -895,13 +888,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "incognito_mode":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("incognito_mode", false)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             incognitoModePreference.setIcon(R.drawable.incognito_mode_enabled_dark);
                         } else {
                             incognitoModePreference.setIcon(R.drawable.incognito_mode_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             incognitoModePreference.setIcon(R.drawable.incognito_mode_disabled_dark);
                         } else {
                             incognitoModePreference.setIcon(R.drawable.incognito_mode_disabled_light);
@@ -912,13 +905,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "do_not_track":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("do_not_track", false)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             doNotTrackPreference.setIcon(R.drawable.block_tracking_enabled_dark);
                         } else {
                             doNotTrackPreference.setIcon(R.drawable.block_tracking_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             doNotTrackPreference.setIcon(R.drawable.block_tracking_disabled_dark);
                         } else {
                             doNotTrackPreference.setIcon(R.drawable.block_tracking_disabled_light);
@@ -930,13 +923,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "allow_screenshots":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("allow_screenshots", false)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_enabled_dark);
                         } else {
                             allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_disabled_dark);
                         } else {
                             allowScreenshotsPreference.setIcon(R.drawable.allow_screenshots_disabled_light);
@@ -949,7 +942,7 @@ public class SettingsFragment extends PreferenceFragment {
                     // Assert that the intent is not null to remove the lint error below.
                     assert allowScreenshotsRestartIntent != null;
 
-                    // `Intent.FLAG_ACTIVITY_CLEAR_TASK` removes all activities from the stack.  It requires `Intent.FLAG_ACTIVITY_NEW_TASK`.
+                    // `Intent.FLAG_ACTIVITY_CLEAR_TASK` removes all activities from the stack.  It requires `Intent.FLAG_ACTIVITY_NEW_TASK`.  TODO.
                     allowScreenshotsRestartIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
 
                     // Make it so.
@@ -959,13 +952,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "easylist":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("easylist", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             easyListPreference.setIcon(R.drawable.block_ads_enabled_dark);
                         } else {
                             easyListPreference.setIcon(R.drawable.block_ads_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             easyListPreference.setIcon(R.drawable.block_ads_disabled_dark);
                         } else {
                             easyListPreference.setIcon(R.drawable.block_ads_disabled_light);
@@ -976,13 +969,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "easyprivacy":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("easyprivacy", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             easyPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_dark);
                         } else {
                             easyPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             easyPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_dark);
                         } else {
                             easyPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_light);
@@ -996,7 +989,7 @@ public class SettingsFragment extends PreferenceFragment {
 
                     // Update the Fanboy icons.
                     if (currentFanboyAnnoyanceList) {  // Fanboy's annoyance list is enabled.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             // Update the Fanboy's annoyance list icon.
                             fanboyAnnoyanceListPreference.setIcon(R.drawable.social_media_enabled_dark);
 
@@ -1010,7 +1003,7 @@ public class SettingsFragment extends PreferenceFragment {
                             fanboySocialBlockingListPreference.setIcon(R.drawable.social_media_ghosted_light);
                         }
                     } else {  // Fanboy's annoyance list is disabled.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             // Update the Fanboy's annoyance list icon.
                             fanboyAnnoyanceListPreference.setIcon(R.drawable.social_media_disabled_dark);
 
@@ -1040,13 +1033,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "fanboys_social_blocking_list":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("fanboys_social_blocking_list", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             fanboySocialBlockingListPreference.setIcon(R.drawable.social_media_enabled_dark);
                         } else {
                             fanboySocialBlockingListPreference.setIcon(R.drawable.social_media_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             fanboySocialBlockingListPreference.setIcon(R.drawable.social_media_disabled_dark);
                         } else {
                             fanboySocialBlockingListPreference.setIcon(R.drawable.social_media_disabled_light);
@@ -1057,13 +1050,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "ultraprivacy":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("ultraprivacy", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             ultraPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_dark);
                         } else {
                             ultraPrivacyPreference.setIcon(R.drawable.block_tracking_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             ultraPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_dark);
                         } else {
                             ultraPrivacyPreference.setIcon(R.drawable.block_tracking_disabled_light);
@@ -1074,13 +1067,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "block_all_third_party_requests":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("block_all_third_party_requests", false)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_enabled_dark);
                         } else {
                             blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_disabled_dark);
                         } else {
                             blockAllThirdPartyRequestsPreference.setIcon(R.drawable.block_all_third_party_requests_disabled_light);
@@ -1099,7 +1092,7 @@ public class SettingsFragment extends PreferenceFragment {
                     // Update the icons.
                     if (currentProxyThroughOrbot) {
                         // Set the Tor icons according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             proxyThroughOrbotPreference.setIcon(R.drawable.orbot_enabled_dark);
                             torHomepagePreference.setIcon(R.drawable.home_enabled_dark);
                             torSearchPreference.setIcon(R.drawable.search_enabled_dark);
@@ -1123,7 +1116,7 @@ public class SettingsFragment extends PreferenceFragment {
                             }
                         }
                     } else {  // Proxy through Orbot is disabled.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             proxyThroughOrbotPreference.setIcon(R.drawable.orbot_disabled_dark);
                             torHomepagePreference.setIcon(R.drawable.home_ghosted_dark);
                             torSearchPreference.setIcon(R.drawable.search_ghosted_dark);
@@ -1155,7 +1148,7 @@ public class SettingsFragment extends PreferenceFragment {
                         torSearchCustomURLPreference.setEnabled(true);
 
                         // Update the `torSearchCustomURLPreference` icon.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             torSearchCustomURLPreference.setIcon(R.drawable.search_custom_url_enabled_dark);
                         } else {
                             torSearchCustomURLPreference.setIcon(R.drawable.search_custom_url_enabled_light);
@@ -1168,7 +1161,7 @@ public class SettingsFragment extends PreferenceFragment {
                         torSearchCustomURLPreference.setEnabled(false);
 
                         // Update the `torSearchCustomURLPreference` icon.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             torSearchCustomURLPreference.setIcon(R.drawable.search_custom_url_ghosted_dark);
                         } else {
                             torSearchCustomURLPreference.setIcon(R.drawable.search_custom_url_ghosted_light);
@@ -1194,7 +1187,7 @@ public class SettingsFragment extends PreferenceFragment {
                         searchCustomURLPreference.setEnabled(true);
 
                         // Set the `searchCustomURLPreference` according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             searchCustomURLPreference.setIcon(R.drawable.search_custom_url_enabled_dark);
                         } else {
                             searchCustomURLPreference.setIcon(R.drawable.search_custom_url_enabled_light);
@@ -1207,7 +1200,7 @@ public class SettingsFragment extends PreferenceFragment {
                         searchCustomURLPreference.setEnabled(false);
 
                         // Set the `searchCustomURLPreference` according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             searchCustomURLPreference.setIcon(R.drawable.search_custom_url_ghosted_dark);
                         } else {
                             searchCustomURLPreference.setIcon(R.drawable.search_custom_url_ghosted_light);
@@ -1221,125 +1214,57 @@ public class SettingsFragment extends PreferenceFragment {
                     break;
 
                 case "full_screen_browsing_mode":
-                    if (sharedPreferences.getBoolean("full_screen_browsing_mode", false)) {
-                        // Set the `fullScreenBrowsingModePreference` icon according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
+                    if (sharedPreferences.getBoolean("full_screen_browsing_mode", false)) {  // Full screen browsing is enabled.
+                        // Set the full screen browsing mode preference icon according to the theme.
+                        if (darkTheme) {
                             fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_enabled_dark);
                         } else {
                             fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_enabled_light);
                         }
 
-                        if (sharedPreferences.getBoolean("hide_system_bars", false)) {  // `hide_system_bars` is `true`.
-                            // Disable `translucentNavigationBarPreference`.
-                            translucentNavigationBarPreference.setEnabled(false);
-
-                            // Set the icons according to the theme.
-                            if (MainWebViewActivity.darkTheme) {
-                                hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_enabled_dark);
-                                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_dark);
+                        // Set the hide app bar preference icon.
+                        if (sharedPreferences.getBoolean("hide_app_bar", true)) {  //  Hide app bar is enabled.
+                            // Set the icon according to the theme.
+                            if (darkTheme) {
+                                hideAppBarPreference.setIcon(R.drawable.app_bar_enabled_dark);
                             } else {
-                                hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_enabled_light);
-                                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_light);
+                                hideAppBarPreference.setIcon(R.drawable.app_bar_enabled_light);
                             }
-                        } else {  // `hide_system_bars` is `false`.
-                            // Enable `translucentNavigationBarPreference`.
-                            translucentNavigationBarPreference.setEnabled(true);
-
-                            // Set the icons according to the theme.
-                            if (MainWebViewActivity.darkTheme) {  // Use the dark theme.
-                                // Set the `hideSystemBarsPreference` icon.
-                                hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_disabled_dark);
-
-                                // Set the `translucentNavigationBarPreference` icon.
-                                if (sharedPreferences.getBoolean("translucent_navigation_bar", true)) {
-                                    translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_dark);
-                                } else {
-                                    translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_dark);
-                                }
-                            } else {  // Use the light theme.
-                                // Set the `hideSystemBarsPreference` icon.
-                                hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_disabled_light);
-
-                                // Set the `translucentNavigationBarPreference` icon.
-                                if (sharedPreferences.getBoolean("translucent_navigation_bar", true)) {
-                                    translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_light);
-                                } else {
-                                    translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_light);
-                                }
+                        } else {  // Hide app bar is disabled.
+                            // Set the icon according to the theme.
+                            if (darkTheme) {
+                                hideAppBarPreference.setIcon(R.drawable.app_bar_disabled_dark);
+                            } else {
+                                hideAppBarPreference.setIcon(R.drawable.app_bar_disabled_light);
                             }
                         }
-                    } else {  // `full_screen_browsing_mode` is false.
-                        // Disable `translucentNavigationBarPreference`.
-                        translucentNavigationBarPreference.setEnabled(false);
-
+                    } else {  // Full screen browsing is disabled.
                         // Update the icons according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_disabled_dark);
-                            hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_ghosted_dark);
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_dark);
+                            hideAppBarPreference.setIcon(R.drawable.app_bar_ghosted_dark);
                         } else {
                             fullScreenBrowsingModePreference.setIcon(R.drawable.full_screen_disabled_light);
-                            hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_ghosted_light);
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_light);
-                        }
-                    }
-                    break;
-
-                case "hide_system_bars":
-                    if (sharedPreferences.getBoolean("hide_system_bars", false)) {
-                        // Disable `translucentNavigationBarPreference`.
-                        translucentNavigationBarPreference.setEnabled(false);
-
-                        // Set the icons according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
-                            hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_enabled_dark);
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_dark);
-                        } else {
-                            hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_enabled_light);
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_ghosted_light);
-                        }
-                    } else {  // `hide_system_bars` is false.
-                        // Enable `translucentNavigationBarPreference`.
-                        translucentNavigationBarPreference.setEnabled(true);
-
-                        // Set the icons according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
-                            // Set the `hideSystemBarsPreference` icon.
-                            hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_disabled_dark);
-
-                            // Set the `translucentNavigationBarPreference` icon.
-                            if (sharedPreferences.getBoolean("translucent_navigation_bar", true)) {
-                                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_dark);
-                            } else {
-                                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_dark);
-                            }
-                        } else {
-                            // Set the `hideSystemBarsPreference` icon.
-                            hideSystemBarsPreference.setIcon(R.drawable.hide_system_bars_disabled_light);
-
-                            // Set the `translucentNavigationBarPreference` icon.
-                            if (sharedPreferences.getBoolean("translucent_navigation_bar", true)) {
-                                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_light);
-                            } else {
-                                translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_light);
-                            }
+                            hideAppBarPreference.setIcon(R.drawable.app_bar_ghosted_light);
                         }
                     }
                     break;
 
-                case "translucent_navigation_bar":
+                case "hide_app_bar":
                     // Update the icon.
-                    if (sharedPreferences.getBoolean("translucent_navigation_bar", true)) {
-                        if (MainWebViewActivity.darkTheme) {
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_dark);
+                    if (sharedPreferences.getBoolean("hide_app_bar", true)) {  // Hide app bar is enabled.
+                        // Set the icon according to the theme.
+                        if (darkTheme) {
+                            hideAppBarPreference.setIcon(R.drawable.app_bar_enabled_dark);
                         } else {
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_enabled_light);
+                            hideAppBarPreference.setIcon(R.drawable.app_bar_enabled_light);
                         }
-                    } else {
-                        if (MainWebViewActivity.darkTheme) {
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_dark);
+                    } else {  // Hide app bar is disabled.
+                        // Set the icon according to the theme.
+                        if (darkTheme) {
+                            hideAppBarPreference.setIcon(R.drawable.app_bar_disabled_dark);
                         } else {
-                            translucentNavigationBarPreference.setIcon(R.drawable.translucent_bar_disabled_light);
+                            hideAppBarPreference.setIcon(R.drawable.app_bar_disabled_light);
                         }
                     }
                     break;
@@ -1356,7 +1281,7 @@ public class SettingsFragment extends PreferenceFragment {
 
                     // Update the `clearEverythingPreference` icon.
                     if (newClearEverythingBoolean) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearEverythingPreference.setIcon(R.drawable.clear_everything_enabled_dark);
                         } else {
                             clearEverythingPreference.setIcon(R.drawable.clear_everything_enabled_light);
@@ -1367,7 +1292,7 @@ public class SettingsFragment extends PreferenceFragment {
 
                     // Update the `clearCookiesPreference` icon.
                     if (newClearEverythingBoolean || sharedPreferences.getBoolean("clear_cookies", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearCookiesPreference.setIcon(R.drawable.cookies_cleared_dark);
                         } else {
                             clearCookiesPreference.setIcon(R.drawable.cookies_cleared_light);
@@ -1378,7 +1303,7 @@ public class SettingsFragment extends PreferenceFragment {
 
                     // Update the `clearDomStoragePreference` icon.
                     if (newClearEverythingBoolean || sharedPreferences.getBoolean("clear_dom_storage", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearDomStoragePreference.setIcon(R.drawable.dom_storage_cleared_dark);
                         } else {
                             clearDomStoragePreference.setIcon(R.drawable.dom_storage_cleared_light);
@@ -1390,7 +1315,7 @@ public class SettingsFragment extends PreferenceFragment {
                     // Update the clear form data preference icon if the API < 26.
                     if (Build.VERSION.SDK_INT < 26) {
                         if (newClearEverythingBoolean || sharedPreferences.getBoolean("clear_form_data", true)) {
-                            if (MainWebViewActivity.darkTheme) {
+                            if (darkTheme) {
                                 clearFormDataPreference.setIcon(R.drawable.form_data_cleared_dark);
                             } else {
                                 clearFormDataPreference.setIcon(R.drawable.form_data_cleared_light);
@@ -1402,7 +1327,7 @@ public class SettingsFragment extends PreferenceFragment {
 
                     // Update the `clearCachePreference` icon.
                     if (newClearEverythingBoolean || sharedPreferences.getBoolean("clear_cache", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearCachePreference.setIcon(R.drawable.cache_cleared_dark);
                         } else {
                             clearCachePreference.setIcon(R.drawable.cache_cleared_light);
@@ -1415,7 +1340,7 @@ public class SettingsFragment extends PreferenceFragment {
                 case "clear_cookies":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("clear_cookies", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearCookiesPreference.setIcon(R.drawable.cookies_cleared_dark);
                         } else {
                             clearCookiesPreference.setIcon(R.drawable.cookies_cleared_light);
@@ -1428,7 +1353,7 @@ public class SettingsFragment extends PreferenceFragment {
                 case "clear_dom_storage":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("clear_dom_storage", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearDomStoragePreference.setIcon(R.drawable.dom_storage_cleared_dark);
                         } else {
                             clearDomStoragePreference.setIcon(R.drawable.dom_storage_cleared_light);
@@ -1442,7 +1367,7 @@ public class SettingsFragment extends PreferenceFragment {
                 case "clear_form_data":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("clear_form_data", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearFormDataPreference.setIcon(R.drawable.form_data_cleared_dark);
                         } else {
                             clearFormDataPreference.setIcon(R.drawable.form_data_cleared_light);
@@ -1455,7 +1380,7 @@ public class SettingsFragment extends PreferenceFragment {
                 case "clear_cache":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("clear_cache", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             clearCachePreference.setIcon(R.drawable.cache_cleared_dark);
                         } else {
                             clearCachePreference.setIcon(R.drawable.cache_cleared_light);
@@ -1478,13 +1403,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "swipe_to_refresh":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("swipe_to_refresh", true)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             swipeToRefreshPreference.setIcon(R.drawable.refresh_enabled_dark);
                         } else {
                             swipeToRefreshPreference.setIcon(R.drawable.refresh_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             swipeToRefreshPreference.setIcon(R.drawable.refresh_disabled_dark);
                         } else {
                             swipeToRefreshPreference.setIcon(R.drawable.refresh_disabled_light);
@@ -1492,19 +1417,19 @@ public class SettingsFragment extends PreferenceFragment {
                     }
                     break;
 
-                case "download_with_external_app":
+                case "scroll_app_bar":
                     // Update the icon.
-                    if (sharedPreferences.getBoolean("download_with_external_app", false)) {
-                        if (MainWebViewActivity.darkTheme) {
-                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_dark);
+                    if (sharedPreferences.getBoolean("scroll_app_bar", true)) {
+                        if (darkTheme) {
+                            scrollAppBarPreference.setIcon(R.drawable.app_bar_enabled_dark);
                         } else {
-                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_light);
+                            scrollAppBarPreference.setIcon(R.drawable.app_bar_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
-                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_dark);
+                        if (darkTheme) {
+                            scrollAppBarPreference.setIcon(R.drawable.app_bar_disabled_dark);
                         } else {
-                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_light);
+                            scrollAppBarPreference.setIcon(R.drawable.app_bar_disabled_light);
                         }
                     }
                     break;
@@ -1512,13 +1437,13 @@ public class SettingsFragment extends PreferenceFragment {
                 case "display_additional_app_bar_icons":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_enabled_dark);
                         } else {
                             displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_disabled_dark);
                         } else {
                             displayAdditionalAppBarIconsPreference.setIcon(R.drawable.more_disabled_light);
@@ -1526,6 +1451,23 @@ public class SettingsFragment extends PreferenceFragment {
                     }
                     break;
 
+                case "download_with_external_app":
+                    // Update the icon.
+                    if (sharedPreferences.getBoolean("download_with_external_app", false)) {
+                        if (darkTheme) {
+                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_dark);
+                        } else {
+                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_enabled_light);
+                        }
+                    } else {
+                        if (darkTheme) {
+                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_dark);
+                        } else {
+                            downloadWithExternalAppPreference.setIcon(R.drawable.open_with_external_app_disabled_light);
+                        }
+                    }
+                    break;
+
                 case "dark_theme":
                     // Update the icon.
                     if (sharedPreferences.getBoolean("dark_theme", false)) {
@@ -1540,7 +1482,7 @@ public class SettingsFragment extends PreferenceFragment {
                     // Assert that the intent is not null to remove the lint error below.
                     assert changeThemeRestartIntent != null;
 
-                    // `Intent.FLAG_ACTIVITY_CLEAR_TASK` removes all activities from the stack.  It requires `Intent.FLAG_ACTIVITY_NEW_TASK`.
+                    // `Intent.FLAG_ACTIVITY_CLEAR_TASK` removes all activities from the stack.  It requires `Intent.FLAG_ACTIVITY_NEW_TASK`.  TODO.
                     changeThemeRestartIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
 
                     // Make it so.
@@ -1549,7 +1491,7 @@ public class SettingsFragment extends PreferenceFragment {
 
                 case "night_mode":
                     // Set the URL to be reloaded on restart to apply the new night mode setting.
-                    MainWebViewActivity.loadUrlOnRestart = true;
+                    MainWebViewActivity.reloadOnRestart = true;
 
                     // Store the current night mode status.
                     boolean currentNightModeBoolean = sharedPreferences.getBoolean("night_mode", false);
@@ -1557,13 +1499,13 @@ public class SettingsFragment extends PreferenceFragment {
 
                     // Update the icon.
                     if (currentNightModeBoolean) {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             nightModePreference.setIcon(R.drawable.night_mode_enabled_dark);
                         } else {
                             nightModePreference.setIcon(R.drawable.night_mode_enabled_light);
                         }
                     } else {
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             nightModePreference.setIcon(R.drawable.night_mode_disabled_dark);
                         } else {
                             nightModePreference.setIcon(R.drawable.night_mode_disabled_light);
@@ -1586,14 +1528,14 @@ public class SettingsFragment extends PreferenceFragment {
                         if (sharedPreferences.getBoolean("dom_storage", false)) {  // DOM storage is enabled.
                             domStoragePreference.setIcon(R.drawable.dom_storage_enabled);
                         } else {  // DOM storage is disabled.
-                            if (MainWebViewActivity.darkTheme) {
+                            if (darkTheme) {
                                 domStoragePreference.setIcon(R.drawable.dom_storage_disabled_dark);
                             } else {
                                 domStoragePreference.setIcon(R.drawable.dom_storage_disabled_light);
                             }
                         }
                     } else {  // The preference is disabled.  The icon should be ghosted.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             domStoragePreference.setIcon(R.drawable.dom_storage_ghosted_dark);
                         } else {
                             domStoragePreference.setIcon(R.drawable.dom_storage_ghosted_light);
@@ -1604,7 +1546,7 @@ public class SettingsFragment extends PreferenceFragment {
                 case "display_webpage_images":
                     if (sharedPreferences.getBoolean("display_webpage_images", true)) {
                         // Update the icon.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             displayWebpageImagesPreference.setIcon(R.drawable.images_enabled_dark);
                         } else {
                             displayWebpageImagesPreference.setIcon(R.drawable.images_enabled_light);
@@ -1614,7 +1556,7 @@ public class SettingsFragment extends PreferenceFragment {
                         MainWebViewActivity.reloadOnRestart = false;
                     } else {
                         // Update the icon.
-                        if (MainWebViewActivity.darkTheme) {
+                        if (darkTheme) {
                             displayWebpageImagesPreference.setIcon(R.drawable.images_disabled_dark);
                         } else {
                             displayWebpageImagesPreference.setIcon(R.drawable.images_disabled_light);
@@ -1631,8 +1573,7 @@ public class SettingsFragment extends PreferenceFragment {
         savedPreferences.registerOnSharedPreferenceChangeListener(preferencesListener);
     }
 
-    // It is necessary to re-register the listener on every resume or it will randomly stop working because apps can be paused and resumed at any time
-    // even while running in the foreground.
+    // It is necessary to re-register the listener on every resume or it will randomly stop working because apps can be paused and resumed at any time, even while running in the foreground.
     @Override
     public void onPause() {
         super.onPause();