app/src/main/java/com/stoutner/privacybrowser/fragments/DomainSettingsFragment.java

   1 /*
   2  * Copyright © 2017 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
   5  *
   6  * Privacy Browser 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 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.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 package com.stoutner.privacybrowser.fragments;
  21
  22 import android.annotation.SuppressLint;
  23 import android.content.Context;
  24 import android.content.SharedPreferences;
  25 import android.content.res.Resources;
  26 import android.database.Cursor;
  27 import android.net.http.SslCertificate;
  28 import android.os.Build;
  29 import android.os.Bundle;
  30 // We have to use `android.support.v4.app.Fragment` until minimum API >= 23.  Otherwise we cannot call `getContext()`.
  31 import android.preference.PreferenceManager;
  32 import android.support.v4.app.Fragment;
  33 import android.text.Editable;
  34 import android.text.SpannableStringBuilder;
  35 import android.text.Spanned;
  36 import android.text.TextWatcher;
  37 import android.text.style.ForegroundColorSpan;
  38 import android.view.LayoutInflater;
  39 import android.view.View;
  40 import android.view.ViewGroup;
  41 import android.webkit.WebView;
  42 import android.widget.AdapterView;
  43 import android.widget.ArrayAdapter;
  44 import android.widget.CompoundButton;
  45 import android.widget.EditText;
  46 import android.widget.ImageView;
  47 import android.widget.LinearLayout;
  48 import android.widget.RadioButton;
  49 import android.widget.Spinner;
  50 import android.widget.Switch;
  51 import android.widget.TextView;
  52
  53 import com.stoutner.privacybrowser.R;
  54 import com.stoutner.privacybrowser.activities.MainWebViewActivity;
  55 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
  56
  57 import java.text.DateFormat;
  58 import java.util.Calendar;
  59 import java.util.Date;
  60
  61 public class DomainSettingsFragment extends Fragment {
  62     // `DATABASE_ID` is used by activities calling this fragment.
  63     public static final String DATABASE_ID = "database_id";
  64
  65     // `databaseId` is public static so it can be accessed from `DomainsActivity`. It is also used in `onCreate()` and `onCreateView()`.
  66     public static int databaseId;
  67
  68     @Override
  69     public void onCreate(Bundle savedInstanceState) {
  70         super.onCreate(savedInstanceState);
  71
  72         // Store the database id in `databaseId`.
  73         databaseId = getArguments().getInt(DATABASE_ID);
  74     }
  75
  76     // We have to use the deprecated `getDrawable()` until the minimum API >= 21.
  77     @SuppressWarnings("deprecation")
  78     @Override
  79     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  80         // Inflate `domain_settings_fragment`.  `false` does not attach it to the root `container`.
  81         View domainSettingsView = inflater.inflate(R.layout.domain_settings_fragment, container, false);
  82
  83         // Get a handle for the `Context` and the `Resources`.
  84         Context context = getContext();
  85         final Resources resources = getResources();
  86
  87         // Get a handle for the shared preference.
  88         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
  89
  90         // Store the default settings.
  91         final String defaultUserAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
  92         final String defaultCustomUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
  93         String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
  94         final boolean defaultDisplayWebpageImagesBoolean = sharedPreferences.getBoolean("display_website_images", true);
  95         final boolean defaultNightModeBoolean = sharedPreferences.getBoolean("night_mode", false);
  96
  97         // Get handles for the views in the fragment.
  98         final EditText domainNameEditText = domainSettingsView.findViewById(R.id.domain_settings_name_edittext);
  99         final Switch javaScriptEnabledSwitch = domainSettingsView.findViewById(R.id.domain_settings_javascript_switch);
 100         final ImageView javaScriptImageView = domainSettingsView.findViewById(R.id.domain_settings_javascript_imageview);
 101         Switch firstPartyCookiesEnabledSwitch = domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_switch);
 102         final ImageView firstPartyCookiesImageView = domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_imageview);
 103         LinearLayout thirdPartyCookiesLinearLayout = domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_linearlayout);
 104         final Switch thirdPartyCookiesEnabledSwitch = domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_switch);
 105         final ImageView thirdPartyCookiesImageView = domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_imageview);
 106         final Switch domStorageEnabledSwitch = domainSettingsView.findViewById(R.id.domain_settings_dom_storage_switch);
 107         final ImageView domStorageImageView = domainSettingsView.findViewById(R.id.domain_settings_dom_storage_imageview);
 108         Switch formDataEnabledSwitch = domainSettingsView.findViewById(R.id.domain_settings_form_data_switch);
 109         final ImageView formDataImageView = domainSettingsView.findViewById(R.id.domain_settings_form_data_imageview);
 110         final Spinner userAgentSpinner = domainSettingsView.findViewById(R.id.domain_settings_user_agent_spinner);
 111         final TextView userAgentTextView = domainSettingsView.findViewById(R.id.domain_settings_user_agent_textview);
 112         final EditText customUserAgentEditText = domainSettingsView.findViewById(R.id.domain_settings_custom_user_agent_edittext);
 113         final Spinner fontSizeSpinner = domainSettingsView.findViewById(R.id.domain_settings_font_size_spinner);
 114         final TextView fontSizeTextView = domainSettingsView.findViewById(R.id.domain_settings_font_size_textview);
 115         final ImageView displayWebpageImagesImageView = domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_imageview);
 116         final Spinner displayWebpageImagesSpinner = domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_spinner);
 117         final TextView displayImagesTextView = domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_textview);
 118         final ImageView nightModeImageView = domainSettingsView.findViewById(R.id.domain_settings_night_mode_imageview);
 119         final Spinner nightModeSpinner = domainSettingsView.findViewById(R.id.domain_settings_night_mode_spinner);
 120         final TextView nightModeTextView = domainSettingsView.findViewById(R.id.domain_settings_night_mode_textview);
 121         final ImageView pinnedSslCertificateImageView = domainSettingsView.findViewById(R.id.domain_settings_pinned_ssl_certificate_imageview);
 122         Switch pinnedSslCertificateSwitch = domainSettingsView.findViewById(R.id.domain_settings_pinned_ssl_certificate_switch);
 123         final LinearLayout savedSslCertificateLinearLayout = domainSettingsView.findViewById(R.id.saved_ssl_certificate_linearlayout);
 124         final RadioButton savedSslCertificateRadioButton = domainSettingsView.findViewById(R.id.saved_ssl_certificate_radiobutton);
 125         final TextView savedSslCertificateIssuedToCNameTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_to_cname);
 126         TextView savedSslCertificateIssuedToONameTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_to_oname);
 127         TextView savedSslCertificateIssuedToUNameTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_to_uname);
 128         TextView savedSslCertificateIssuedByCNameTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_by_cname);
 129         TextView savedSslCertificateIssuedByONameTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_by_oname);
 130         TextView savedSslCertificateIssuedByUNameTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_by_uname);
 131         TextView savedSslCertificateStartDateTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_start_date);
 132         TextView savedSslCertificateEndDateTextView = domainSettingsView.findViewById(R.id.saved_ssl_certificate_end_date);
 133         final LinearLayout currentWebsiteCertificateLinearLayout = domainSettingsView.findViewById(R.id.current_website_certificate_linearlayout);
 134         final RadioButton currentWebsiteCertificateRadioButton = domainSettingsView.findViewById(R.id.current_website_certificate_radiobutton);
 135         final TextView currentWebsiteCertificateIssuedToCNameTextView = domainSettingsView.findViewById(R.id.current_website_certificate_issued_to_cname);
 136         TextView currentWebsiteCertificateIssuedToONameTextView = domainSettingsView.findViewById(R.id.current_website_certificate_issued_to_oname);
 137         TextView currentWebsiteCertificateIssuedToUNameTextView = domainSettingsView.findViewById(R.id.current_website_certificate_issued_to_uname);
 138         TextView currentWebsiteCertificateIssuedByCNameTextView = domainSettingsView.findViewById(R.id.current_website_certificate_issued_by_cname);
 139         TextView currentWebsiteCertificateIssuedByONameTextView = domainSettingsView.findViewById(R.id.current_website_certificate_issued_by_oname);
 140         TextView currentWebsiteCertificateIssuedByUNameTextView = domainSettingsView.findViewById(R.id.current_website_certificate_issued_by_uname);
 141         TextView currentWebsiteCertificateStartDateTextView = domainSettingsView.findViewById(R.id.current_website_certificate_start_date);
 142         TextView currentWebsiteCertificateEndDateTextView = domainSettingsView.findViewById(R.id.current_website_certificate_end_date);
 143         final TextView noCurrentWebsiteCertificateTextView = domainSettingsView.findViewById(R.id.no_current_website_certificate);
 144
 145         // Setup the SSL certificate labels.
 146         final String cNameLabel = getString(R.string.common_name) + "  ";
 147         String oNameLabel = getString(R.string.organization) + "  ";
 148         String uNameLabel = getString(R.string.organizational_unit) + "  ";
 149         String startDateLabel = getString(R.string.start_date) + "  ";
 150         String endDateLabel = getString(R.string.end_date) + "  ";
 151
 152         // Get the current website SSL certificate
 153         final SslCertificate currentWebsiteSslCertificate = MainWebViewActivity.sslCertificate;
 154
 155         // Initialize the database handler.  The two `nulls` do not specify the database name or a `CursorFactory`.  The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
 156         DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 157
 158         // Get the database `Cursor` for this ID and move it to the first row.
 159         Cursor domainCursor = domainsDatabaseHelper.getCursorForId(databaseId);
 160         domainCursor.moveToFirst();
 161
 162         // Save the `Cursor` entries as variables.
 163         String domainNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
 164         final int javaScriptEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT));
 165         int firstPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES));
 166         int thirdPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES));
 167         final int domStorageEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE));
 168         int formDataEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA));
 169         final String currentUserAgentString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
 170         int fontSizeInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
 171         int displayImagesInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
 172         int nightModeInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE));
 173         int pinnedSslCertificateInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE));
 174         final String savedSslCertificateIssuedToCNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME));
 175         String savedSslCertificateIssuedToONameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION));
 176         String savedSslCertificateIssuedToUNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT));
 177         String savedSslCertificateIssuedByCNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME));
 178         String savedSslCertificateIssuedByONameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION));
 179         String savedSslCertificateIssuedByUNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT));
 180
 181         // Initialize the saved SSL certificate date variables.
 182         Date savedSslCertificateStartDate = null;
 183         Date savedSslCertificateEndDate = null;
 184
 185         // Only get the saved SSL certificate dates from the cursor if they are not set to `0`.
 186         if (domainCursor.getLong(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)) != 0) {
 187             savedSslCertificateStartDate = new Date(domainCursor.getLong(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
 188         }
 189
 190         if (domainCursor.getLong(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)) != 0) {
 191             savedSslCertificateEndDate = new Date(domainCursor.getLong(domainCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
 192         }
 193
 194         // Create `ArrayAdapters` for the `Spinners`and their `entry values`.
 195         ArrayAdapter<CharSequence> userAgentArrayAdapter = ArrayAdapter.createFromResource(context, R.array.domain_settings_user_agent_entries, R.layout.domain_settings_spinner_item);
 196         final ArrayAdapter<CharSequence> userAgentEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.domain_settings_user_agent_entry_values, R.layout.domain_settings_spinner_item);
 197         ArrayAdapter<CharSequence> fontSizeArrayAdapter = ArrayAdapter.createFromResource(context, R.array.domain_settings_font_size_entries, R.layout.domain_settings_spinner_item);
 198         ArrayAdapter<CharSequence> fontSizeEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.domain_settings_font_size_entry_values, R.layout.domain_settings_spinner_item);
 199         final ArrayAdapter<CharSequence> displayImagesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.display_webpage_images_array, R.layout.domain_settings_spinner_item);
 200         ArrayAdapter<CharSequence> nightModeArrayAdapter = ArrayAdapter.createFromResource(context, R.array.night_mode_array, R.layout.domain_settings_spinner_item);
 201
 202         // Set the `DropDownViewResource` on the `Spinners`.
 203         userAgentArrayAdapter.setDropDownViewResource(R.layout.domain_settings_spinner_dropdown_item);
 204         fontSizeArrayAdapter.setDropDownViewResource(R.layout.domain_settings_spinner_dropdown_item);
 205         displayImagesArrayAdapter.setDropDownViewResource(R.layout.domain_settings_spinner_dropdown_item);
 206         nightModeArrayAdapter.setDropDownViewResource(R.layout.domain_settings_spinner_dropdown_item);
 207
 208         // Set the `ArrayAdapters` for the `Spinners`.
 209         userAgentSpinner.setAdapter(userAgentArrayAdapter);
 210         fontSizeSpinner.setAdapter(fontSizeArrayAdapter);
 211         displayWebpageImagesSpinner.setAdapter(displayImagesArrayAdapter);
 212         nightModeSpinner.setAdapter(nightModeArrayAdapter);
 213
 214         // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
 215         SpannableStringBuilder savedSslCertificateIssuedToCNameStringBuilder = new SpannableStringBuilder(cNameLabel + savedSslCertificateIssuedToCNameString);
 216         SpannableStringBuilder savedSslCertificateIssuedToONameStringBuilder = new SpannableStringBuilder(oNameLabel + savedSslCertificateIssuedToONameString);
 217         SpannableStringBuilder savedSslCertificateIssuedToUNameStringBuilder = new SpannableStringBuilder(uNameLabel + savedSslCertificateIssuedToUNameString);
 218         SpannableStringBuilder savedSslCertificateIssuedByCNameStringBuilder = new SpannableStringBuilder(cNameLabel + savedSslCertificateIssuedByCNameString);
 219         SpannableStringBuilder savedSslCertificateIssuedByONameStringBuilder = new SpannableStringBuilder(oNameLabel + savedSslCertificateIssuedByONameString);
 220         SpannableStringBuilder savedSslCertificateIssuedByUNameStringBuilder = new SpannableStringBuilder(uNameLabel + savedSslCertificateIssuedByUNameString);
 221
 222         // Initialize the `SpannableStringBuilders` for the SSL certificate dates.
 223         SpannableStringBuilder savedSslCertificateStartDateStringBuilder;
 224         SpannableStringBuilder savedSslCertificateEndDateStringBuilder;
 225
 226         // Leave the SSL certificate dates empty if they are `null`.
 227         if (savedSslCertificateStartDate == null) {
 228             savedSslCertificateStartDateStringBuilder = new SpannableStringBuilder(startDateLabel);
 229         } else {
 230             savedSslCertificateStartDateStringBuilder = new SpannableStringBuilder(startDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(savedSslCertificateStartDate));
 231         }
 232
 233         if (savedSslCertificateEndDate == null) {
 234             savedSslCertificateEndDateStringBuilder = new SpannableStringBuilder(endDateLabel);
 235         } else {
 236             savedSslCertificateEndDateStringBuilder = new SpannableStringBuilder(endDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(savedSslCertificateEndDate));
 237         }
 238
 239         // Create a red `ForegroundColorSpan`.  We have to use the deprecated `getColor` until API >= 23.
 240         final ForegroundColorSpan redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
 241
 242         // Create a blue `ForegroundColorSpan`.
 243         final ForegroundColorSpan blueColorSpan;
 244
 245         // Set `blueColorSpan` according to the theme.  We have to use the deprecated `getColor()` until API >= 23.
 246         if (MainWebViewActivity.darkTheme) {
 247             //noinspection deprecation
 248             blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_400));
 249         } else {
 250             //noinspection deprecation
 251             blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
 252         }
 253
 254         // Set the domain name from the the database cursor.
 255         domainNameEditText.setText(domainNameString);
 256
 257         // Update the certificates' `Common Name` color when the domain name text changes.
 258         domainNameEditText.addTextChangedListener(new TextWatcher() {
 259             @Override
 260             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 261                 // Do nothing.
 262             }
 263
 264             @Override
 265             public void onTextChanged(CharSequence s, int start, int before, int count) {
 266                 // Do nothing.
 267             }
 268
 269             @Override
 270             public void afterTextChanged(Editable s) {
 271                 // Get the new domain name.
 272                 String newDomainName = domainNameEditText.getText().toString();
 273
 274                 // Check the saved SSL certificate against the new domain name.
 275                 boolean savedSslCertificateMatchesNewDomainName = checkDomainNameAgainstCertificate(newDomainName, savedSslCertificateIssuedToCNameString);
 276
 277                 // Create a `SpannableStringBuilder` for the saved certificate `Common Name`.
 278                 SpannableStringBuilder savedSslCertificateCommonNameStringBuilder = new SpannableStringBuilder(cNameLabel + savedSslCertificateIssuedToCNameString);
 279
 280                 // Format the saved certificate `Common Name` color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 281                 if (savedSslCertificateMatchesNewDomainName) {
 282                     savedSslCertificateCommonNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), savedSslCertificateCommonNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 283                 } else {
 284                     savedSslCertificateCommonNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), savedSslCertificateCommonNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 285                 }
 286
 287                 // Update `savedSslCertificateIssuedToCNameTextView`.
 288                 savedSslCertificateIssuedToCNameTextView.setText(savedSslCertificateCommonNameStringBuilder);
 289
 290                 // Update the current website certificate if it exists.
 291                 if (currentWebsiteSslCertificate != null) {
 292                     // Get the current website certificate `Common Name`.
 293                     String currentWebsiteCertificateCommonName = currentWebsiteSslCertificate.getIssuedTo().getCName();
 294
 295                     // Check the current website certificate against the new domain name.
 296                     boolean currentWebsiteCertificateMatchesNewDomainName = checkDomainNameAgainstCertificate(newDomainName, currentWebsiteCertificateCommonName);
 297
 298                     // Create a `SpannableStringBuilder` for the current website certificate `Common Name`.
 299                     SpannableStringBuilder currentWebsiteCertificateCommonNameStringBuilder = new SpannableStringBuilder(cNameLabel + currentWebsiteCertificateCommonName);
 300
 301                     // Format the current certificate `Common Name` color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 302                     if (currentWebsiteCertificateMatchesNewDomainName) {
 303                         currentWebsiteCertificateCommonNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), currentWebsiteCertificateCommonNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 304                     } else {
 305                         currentWebsiteCertificateCommonNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), currentWebsiteCertificateCommonNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 306                     }
 307
 308                     // Update `currentWebsiteCertificateIssuedToCNameTextView`.
 309                     currentWebsiteCertificateIssuedToCNameTextView.setText(currentWebsiteCertificateCommonNameStringBuilder);
 310                 }
 311             }
 312         });
 313
 314         // Create a `boolean` to track if night mode is enabled.
 315         boolean nightModeEnabled = (nightModeInt == DomainsDatabaseHelper.NIGHT_MODE_ENABLED) || ((nightModeInt == DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT) && defaultNightModeBoolean);
 316
 317         // Disable the JavaScript `Switch` if night mode is enabled.
 318         if (nightModeEnabled) {
 319             javaScriptEnabledSwitch.setEnabled(false);
 320         } else {
 321             javaScriptEnabledSwitch.setEnabled(true);
 322         }
 323
 324         // Set the JavaScript icon.
 325         if ((javaScriptEnabledInt == 1) || nightModeEnabled) {
 326             javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.javascript_enabled));
 327         } else {
 328             javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.privacy_mode));
 329         }
 330
 331         // Set the JavaScript `Switch` status.
 332         if (javaScriptEnabledInt == 1) {  // JavaScript is enabled.
 333             javaScriptEnabledSwitch.setChecked(true);
 334         } else {  // JavaScript is disabled.
 335             javaScriptEnabledSwitch.setChecked(false);
 336         }
 337
 338         // Set the first-party cookies status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 339         if (firstPartyCookiesEnabledInt == 1) {  // First-party cookies are enabled.
 340             firstPartyCookiesEnabledSwitch.setChecked(true);
 341             firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_enabled));
 342         } else {  // First-party cookies are disabled.
 343             firstPartyCookiesEnabledSwitch.setChecked(false);
 344
 345             // Set the icon according to the theme.
 346             if (MainWebViewActivity.darkTheme) {
 347                 firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 348             } else {
 349                 firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 350             }
 351         }
 352
 353         // Only display third-party cookies if SDK_INT >= 21.
 354         if (Build.VERSION.SDK_INT >= 21) {  // Third-party cookies can be configured for API >= 21.
 355             // Only enable third-party-cookies if first-party cookies are enabled.
 356             if (firstPartyCookiesEnabledInt == 1) {  // First-party cookies are enabled.
 357                 // Set the third-party cookies status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 358                 if (thirdPartyCookiesEnabledInt == 1) {  // Both first-party and third-party cookies are enabled.
 359                     thirdPartyCookiesEnabledSwitch.setChecked(true);
 360                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_warning));
 361                 } else {  // First party cookies are enabled but third-party cookies are disabled.
 362                     thirdPartyCookiesEnabledSwitch.setChecked(false);
 363
 364                     // Set the icon according to the theme.
 365                     if (MainWebViewActivity.darkTheme) {
 366                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 367                     } else {
 368                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 369                     }
 370                 }
 371             } else {  // First-party cookies are disabled.
 372                 // Set the status of third-party cookies.
 373                 if (thirdPartyCookiesEnabledInt == 1) {
 374                     thirdPartyCookiesEnabledSwitch.setChecked(true);
 375                 } else {
 376                     thirdPartyCookiesEnabledSwitch.setChecked(false);
 377                 }
 378
 379                 // Disable the third-party cookies switch.
 380                 thirdPartyCookiesEnabledSwitch.setEnabled(false);
 381
 382                 // Set the icon according to the theme.
 383                 if (MainWebViewActivity.darkTheme) {
 384                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_ghosted_dark));
 385                 } else {
 386                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_ghosted_light));
 387                 }
 388             }
 389         } else {  // Third-party cookies cannot be configured for API <= 21.
 390             // Hide the `LinearLayout` for third-party cookies.
 391             thirdPartyCookiesLinearLayout.setVisibility(View.GONE);
 392         }
 393
 394         // Only enable DOM storage if JavaScript is enabled.
 395         if ((javaScriptEnabledInt == 1) || nightModeEnabled) {  // JavaScript is enabled.
 396             // Enable the DOM storage `Switch`.
 397             domStorageEnabledSwitch.setEnabled(true);
 398
 399             // Set the DOM storage status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 400             if (domStorageEnabledInt == 1) {  // Both JavaScript and DOM storage are enabled.
 401                 domStorageEnabledSwitch.setChecked(true);
 402                 domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_enabled));
 403             } else {  // JavaScript is enabled but DOM storage is disabled.
 404                 // Set the DOM storage switch to off.
 405                 domStorageEnabledSwitch.setChecked(false);
 406
 407                 // Set the icon according to the theme.
 408                 if (MainWebViewActivity.darkTheme) {
 409                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_dark));
 410                 } else {
 411                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_light));
 412                 }
 413             }
 414         } else {  // JavaScript is disabled.
 415             // Disable the DOM storage `Switch`.
 416             domStorageEnabledSwitch.setEnabled(false);
 417
 418             // Set the checked status of DOM storage.
 419             if (domStorageEnabledInt == 1) {  // DOM storage is enabled but JavaScript is disabled.
 420                 domStorageEnabledSwitch.setChecked(true);
 421             } else {  // Both JavaScript and DOM storage are disabled.
 422                 domStorageEnabledSwitch.setChecked(false);
 423             }
 424
 425             // Set the icon according to the theme.
 426             if (MainWebViewActivity.darkTheme) {
 427                 domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_dark));
 428             } else {
 429                 domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_light));
 430             }
 431         }
 432
 433         // Set the form data status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 434         if (formDataEnabledInt == 1) {  // Form data is enabled.
 435             formDataEnabledSwitch.setChecked(true);
 436             formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_enabled));
 437         } else {  // Form data is disabled.
 438             // Set the form data switch to off.
 439             formDataEnabledSwitch.setChecked(false);
 440
 441             // Set the icon according to the theme.
 442             if (MainWebViewActivity.darkTheme) {
 443                 formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_disabled_dark));
 444             } else {
 445                 formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_disabled_light));
 446             }
 447         }
 448
 449         // We need to inflated a `WebView` to get the default user agent.
 450         // `@SuppressLint("InflateParams")` removes the warning about using `null` as the `ViewGroup`, which in this case makes sense because we don't want to display `bare_webview` on the screen.  `false` does not attach the view to the root.
 451         @SuppressLint("InflateParams") View bareWebViewLayout = inflater.inflate(R.layout.bare_webview, null, false);
 452         WebView bareWebView = bareWebViewLayout.findViewById(R.id.bare_webview);
 453         final String webViewDefaultUserAgentString = bareWebView.getSettings().getUserAgentString();
 454
 455         // Get the position of the user agent in `userAgentEntryValuesArrayAdapter`.
 456         int userAgentArrayPosition = userAgentEntryValuesArrayAdapter.getPosition(currentUserAgentString);
 457
 458         // Set the user agent.
 459         if (userAgentArrayPosition == -1) {  // We are using a custom `userAgentString`.
 460             // Set `userAgentSpinner` to `Custom`.
 461             userAgentSpinner.setSelection(userAgentEntryValuesArrayAdapter.getPosition("Custom user agent"));
 462
 463             // Hide `userAgentTextView`.
 464             userAgentTextView.setVisibility(View.GONE);
 465
 466             // Show `customUserAgentEditText` and set `userAgentString` as the text.
 467             customUserAgentEditText.setVisibility(View.VISIBLE);
 468             customUserAgentEditText.setText(currentUserAgentString);
 469         } else{  // We are using one of the preset user agents.
 470             // Set the `userAgentSpinner` selection.
 471             userAgentSpinner.setSelection(userAgentArrayPosition);
 472
 473             // Show `userAgentTextView`.
 474             userAgentTextView.setVisibility(View.VISIBLE);
 475
 476             // Hide `customUserAgentEditText`.
 477             customUserAgentEditText.setVisibility(View.GONE);
 478
 479             // Set the user agent text.
 480             switch (currentUserAgentString) {
 481                 case "System default user agent":
 482                     // Display the user agent text string.
 483                     switch (defaultUserAgentString) {
 484                         case "WebView default user agent":
 485                             // Display the `WebView` default user agent.
 486                             userAgentTextView.setText(webViewDefaultUserAgentString);
 487                             break;
 488
 489                         case "Custom user agent":
 490                             // Display the custom user agent.
 491                             userAgentTextView.setText(defaultCustomUserAgentString);
 492                             break;
 493
 494                         default:
 495                             // Display the text from `defaultUserAgentString`.
 496                             userAgentTextView.setText(defaultUserAgentString);
 497                     }
 498                     break;
 499
 500                 case "WebView default user agent":
 501                     // Display the `WebView` default user agent.
 502                     userAgentTextView.setText(webViewDefaultUserAgentString);
 503                     break;
 504
 505                 default:
 506                     // Display the text from `currentUserAgentString`.
 507                     userAgentTextView.setText(currentUserAgentString);
 508             }
 509         }
 510
 511         // Open the user agent spinner when the `TextView` is clicked.
 512         userAgentTextView.setOnClickListener((View v) -> {
 513             // Open the user agent spinner.
 514             userAgentSpinner.performClick();
 515         });
 516
 517         // Set the selected font size.
 518         int fontSizeArrayPosition = fontSizeEntryValuesArrayAdapter.getPosition(String.valueOf(fontSizeInt));
 519         fontSizeSpinner.setSelection(fontSizeArrayPosition);
 520
 521         // Set the default font size text.
 522         int defaultFontSizeArrayPosition = fontSizeEntryValuesArrayAdapter.getPosition(defaultFontSizeString);
 523         fontSizeTextView.setText(fontSizeArrayAdapter.getItem(defaultFontSizeArrayPosition));
 524
 525         // Set the display options for `fontSizeTextView`.
 526         if (fontSizeArrayPosition == 0) {  // System default font size is selected.  Display `fontSizeTextView`.
 527             fontSizeTextView.setVisibility(View.VISIBLE);
 528         } else {  // A custom font size is specified.  Hide `fontSizeTextView`.
 529             fontSizeTextView.setVisibility(View.GONE);
 530         }
 531
 532         // Open the font size spinner when the `TextView` is clicked.
 533         fontSizeTextView.setOnClickListener((View v) -> {
 534             // Open the user agent spinner.
 535             fontSizeSpinner.performClick();
 536         });
 537
 538         // Display the website images mode in the spinner.
 539         displayWebpageImagesSpinner.setSelection(displayImagesInt);
 540
 541         // Set the default display images text.
 542         if (defaultDisplayWebpageImagesBoolean) {
 543             displayImagesTextView.setText(displayImagesArrayAdapter.getItem(DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED));
 544         } else {
 545             displayImagesTextView.setText(displayImagesArrayAdapter.getItem(DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED));
 546         }
 547
 548         // Set the display website images icon and `TextView` settings.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 549         switch (displayImagesInt) {
 550             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
 551                 if (defaultDisplayWebpageImagesBoolean) {  // Display webpage images enabled by default.
 552                     // Set the icon according to the theme.
 553                     if (MainWebViewActivity.darkTheme) {
 554                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
 555                     } else {
 556                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
 557                     }
 558                 } else {  // Display webpage images disabled by default.
 559                     // Set the icon according to the theme.
 560                     if (MainWebViewActivity.darkTheme) {
 561                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
 562                     } else {
 563                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
 564                     }
 565                 }
 566
 567                 // Show `displayImagesTextView`.
 568                 displayImagesTextView.setVisibility(View.VISIBLE);
 569                 break;
 570
 571             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
 572                 // Set the icon according to the theme.
 573                 if (MainWebViewActivity.darkTheme) {
 574                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
 575                 } else {
 576                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
 577                 }
 578
 579                 // Hide `displayImagesTextView`.
 580                 displayImagesTextView.setVisibility(View.GONE);
 581                 break;
 582
 583             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
 584                 // Set the icon according to the theme.
 585                 if (MainWebViewActivity.darkTheme) {
 586                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
 587                 } else {
 588                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
 589                 }
 590
 591                 // Hide `displayImagesTextView`.
 592                 displayImagesTextView.setVisibility(View.GONE);
 593                 break;
 594         }
 595
 596         // Open the display images spinner when the `TextView` is clicked.
 597         displayImagesTextView.setOnClickListener((View v) -> {
 598             // Open the user agent spinner.
 599             displayWebpageImagesSpinner.performClick();
 600         });
 601
 602         // Display the night mode in the spinner.
 603         nightModeSpinner.setSelection(nightModeInt);
 604
 605         // Set the default night mode text.
 606         if (defaultNightModeBoolean) {
 607             nightModeTextView.setText(nightModeArrayAdapter.getItem(DomainsDatabaseHelper.NIGHT_MODE_ENABLED));
 608         } else {
 609             nightModeTextView.setText(nightModeArrayAdapter.getItem(DomainsDatabaseHelper.NIGHT_MODE_DISABLED));
 610         }
 611
 612         // Set the night mode icon and `TextView` settings.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 613         switch (displayImagesInt) {
 614             case DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT:
 615                 if (defaultNightModeBoolean) {  // Night mode enabled by default.
 616                     // Set the icon according to the theme.
 617                     if (MainWebViewActivity.darkTheme) {
 618                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
 619                     } else {
 620                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
 621                     }
 622                 } else {  // Night mode disabled by default.
 623                     // Set the icon according to the theme.
 624                     if (MainWebViewActivity.darkTheme) {
 625                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
 626                     } else {
 627                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
 628                     }
 629                 }
 630
 631                 // Show `nightModeTextView`.
 632                 nightModeTextView.setVisibility(View.VISIBLE);
 633                 break;
 634
 635             case DomainsDatabaseHelper.NIGHT_MODE_ENABLED:
 636                 // Set the icon according to the theme.
 637                 if (MainWebViewActivity.darkTheme) {
 638                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
 639                 } else {
 640                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
 641                 }
 642
 643                 // Hide `nightModeTextView`.
 644                 nightModeTextView.setVisibility(View.GONE);
 645                 break;
 646
 647             case DomainsDatabaseHelper.NIGHT_MODE_DISABLED:
 648                 // Set the icon according to the theme.
 649                 if (MainWebViewActivity.darkTheme) {
 650                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
 651                 } else {
 652                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
 653                 }
 654
 655                 // Hide `nightModeTextView`.
 656                 nightModeTextView.setVisibility(View.GONE);
 657                 break;
 658         }
 659
 660         // Open the night mode spinner when the `TextView` is clicked.
 661         nightModeTextView.setOnClickListener((View v) -> {
 662             // Open the user agent spinner.
 663             nightModeSpinner.performClick();
 664         });
 665
 666         // Set the pinned SSL certificate icon.
 667         if (pinnedSslCertificateInt == 1) {  // Pinned SSL certificate is enabled.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 668             // Check the switch.
 669             pinnedSslCertificateSwitch.setChecked(true);
 670
 671             // Set the icon according to the theme.
 672             if (MainWebViewActivity.darkTheme) {
 673                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_dark));
 674             } else {
 675                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_light));
 676             }
 677         } else {  // Pinned SSL certificate is disabled.
 678             // Uncheck the switch.
 679             pinnedSslCertificateSwitch.setChecked(false);
 680
 681             // Set the icon according to the theme.
 682             if (MainWebViewActivity.darkTheme) {
 683                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_dark));
 684             } else {
 685                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_light));
 686             }
 687         }
 688
 689         // Store the current date.
 690         Date currentDate = Calendar.getInstance().getTime();
 691
 692         // Setup the `StringBuilders` to display the general certificate information in blue.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 693         savedSslCertificateIssuedToONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), savedSslCertificateIssuedToONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 694         savedSslCertificateIssuedToUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), savedSslCertificateIssuedToUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 695         savedSslCertificateIssuedByCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), savedSslCertificateIssuedByCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 696         savedSslCertificateIssuedByONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), savedSslCertificateIssuedByONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 697         savedSslCertificateIssuedByUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), savedSslCertificateIssuedByUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 698
 699         // Check the certificate `Common Name` against the domain name.
 700         boolean savedSSlCertificateCommonNameMatchesDomainName = checkDomainNameAgainstCertificate(domainNameString, savedSslCertificateIssuedToCNameString);
 701
 702         // Format the `issuedToCommonName` color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 703         if (savedSSlCertificateCommonNameMatchesDomainName) {
 704             savedSslCertificateIssuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), savedSslCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 705         } else {
 706             savedSslCertificateIssuedToCNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), savedSslCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 707         }
 708
 709         //  Format the start date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 710         if ((savedSslCertificateStartDate != null) && savedSslCertificateStartDate.after(currentDate)) {  // The certificate start date is in the future.
 711             savedSslCertificateStartDateStringBuilder.setSpan(redColorSpan, startDateLabel.length(), savedSslCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 712         } else {  // The certificate start date is in the past.
 713             savedSslCertificateStartDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), savedSslCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 714         }
 715
 716         // Format the end date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 717         if ((savedSslCertificateEndDate != null) && savedSslCertificateEndDate.before(currentDate)) {  // The certificate end date is in the past.
 718             savedSslCertificateEndDateStringBuilder.setSpan(redColorSpan, endDateLabel.length(), savedSslCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 719         } else {  // The certificate end date is in the future.
 720             savedSslCertificateEndDateStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), savedSslCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 721         }
 722
 723         // Display the current website SSL certificate strings.
 724         savedSslCertificateIssuedToCNameTextView.setText(savedSslCertificateIssuedToCNameStringBuilder);
 725         savedSslCertificateIssuedToONameTextView.setText(savedSslCertificateIssuedToONameStringBuilder);
 726         savedSslCertificateIssuedToUNameTextView.setText(savedSslCertificateIssuedToUNameStringBuilder);
 727         savedSslCertificateIssuedByCNameTextView.setText(savedSslCertificateIssuedByCNameStringBuilder);
 728         savedSslCertificateIssuedByONameTextView.setText(savedSslCertificateIssuedByONameStringBuilder);
 729         savedSslCertificateIssuedByUNameTextView.setText(savedSslCertificateIssuedByUNameStringBuilder);
 730         savedSslCertificateStartDateTextView.setText(savedSslCertificateStartDateStringBuilder);
 731         savedSslCertificateEndDateTextView.setText(savedSslCertificateEndDateStringBuilder);
 732
 733         // Populate the current website SSL certificate if there is one.
 734         if (currentWebsiteSslCertificate != null) {
 735             // Get the strings from the SSL certificate.
 736             String currentWebsiteCertificateIssuedToCNameString = currentWebsiteSslCertificate.getIssuedTo().getCName();
 737             String currentWebsiteCertificateIssuedToONameString = currentWebsiteSslCertificate.getIssuedTo().getOName();
 738             String currentWebsiteCertificateIssuedToUNameString = currentWebsiteSslCertificate.getIssuedTo().getUName();
 739             String currentWebsiteCertificateIssuedByCNameString = currentWebsiteSslCertificate.getIssuedBy().getCName();
 740             String currentWebsiteCertificateIssuedByONameString = currentWebsiteSslCertificate.getIssuedBy().getOName();
 741             String currentWebsiteCertificateIssuedByUNameString = currentWebsiteSslCertificate.getIssuedBy().getUName();
 742             Date currentWebsiteCertificateStartDate = currentWebsiteSslCertificate.getValidNotBeforeDate();
 743             Date currentWebsiteCertificateEndDate = currentWebsiteSslCertificate.getValidNotAfterDate();
 744
 745             // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
 746             SpannableStringBuilder currentWebsiteCertificateIssuedToCNameStringBuilder = new SpannableStringBuilder(cNameLabel + currentWebsiteCertificateIssuedToCNameString);
 747             SpannableStringBuilder currentWebsiteCertificateIssuedToONameStringBuilder = new SpannableStringBuilder(oNameLabel + currentWebsiteCertificateIssuedToONameString);
 748             SpannableStringBuilder currentWebsiteCertificateIssuedToUNameStringBuilder = new SpannableStringBuilder(uNameLabel + currentWebsiteCertificateIssuedToUNameString);
 749             SpannableStringBuilder currentWebsiteCertificateIssuedByCNameStringBuilder = new SpannableStringBuilder(cNameLabel + currentWebsiteCertificateIssuedByCNameString);
 750             SpannableStringBuilder currentWebsiteCertificateIssuedByONameStringBuilder = new SpannableStringBuilder(oNameLabel + currentWebsiteCertificateIssuedByONameString);
 751             SpannableStringBuilder currentWebsiteCertificateIssuedByUNameStringBuilder = new SpannableStringBuilder(uNameLabel + currentWebsiteCertificateIssuedByUNameString);
 752             SpannableStringBuilder currentWebsiteCertificateStartDateStringBuilder = new SpannableStringBuilder(startDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(currentWebsiteCertificateStartDate));
 753             SpannableStringBuilder currentWebsiteCertificateEndDateStringBuilder = new SpannableStringBuilder(endDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(currentWebsiteCertificateEndDate));
 754
 755             // Setup the `StringBuilders` to display the general certificate information in blue.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 756             currentWebsiteCertificateIssuedToONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), currentWebsiteCertificateIssuedToONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 757             currentWebsiteCertificateIssuedToUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), currentWebsiteCertificateIssuedToUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 758             currentWebsiteCertificateIssuedByCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), currentWebsiteCertificateIssuedByCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 759             currentWebsiteCertificateIssuedByONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), currentWebsiteCertificateIssuedByONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 760             currentWebsiteCertificateIssuedByUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), currentWebsiteCertificateIssuedByUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 761
 762             // Check the certificate `Common Name` against the domain name.
 763             boolean currentWebsiteCertificateCommonNameMatchesDomainName = checkDomainNameAgainstCertificate(domainNameString, currentWebsiteCertificateIssuedToCNameString);
 764
 765             // Format the `issuedToCommonName` color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 766             if (currentWebsiteCertificateCommonNameMatchesDomainName) {
 767                 currentWebsiteCertificateIssuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), currentWebsiteCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 768             } else {
 769                 currentWebsiteCertificateIssuedToCNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), currentWebsiteCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 770             }
 771
 772             //  Format the start date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 773             if (currentWebsiteCertificateStartDate.after(currentDate)) {  // The certificate start date is in the future.
 774                 currentWebsiteCertificateStartDateStringBuilder.setSpan(redColorSpan, startDateLabel.length(), currentWebsiteCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 775             } else {  // The certificate start date is in the past.
 776                 currentWebsiteCertificateStartDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), currentWebsiteCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 777             }
 778
 779             // Format the end date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 780             if (currentWebsiteCertificateEndDate.before(currentDate)) {  // The certificate end date is in the past.
 781                 currentWebsiteCertificateEndDateStringBuilder.setSpan(redColorSpan, endDateLabel.length(), currentWebsiteCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 782             } else {  // The certificate end date is in the future.
 783                 currentWebsiteCertificateEndDateStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), currentWebsiteCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 784             }
 785
 786             // Display the current website SSL certificate strings.
 787             currentWebsiteCertificateIssuedToCNameTextView.setText(currentWebsiteCertificateIssuedToCNameStringBuilder);
 788             currentWebsiteCertificateIssuedToONameTextView.setText(currentWebsiteCertificateIssuedToONameStringBuilder);
 789             currentWebsiteCertificateIssuedToUNameTextView.setText(currentWebsiteCertificateIssuedToUNameStringBuilder);
 790             currentWebsiteCertificateIssuedByCNameTextView.setText(currentWebsiteCertificateIssuedByCNameStringBuilder);
 791             currentWebsiteCertificateIssuedByONameTextView.setText(currentWebsiteCertificateIssuedByONameStringBuilder);
 792             currentWebsiteCertificateIssuedByUNameTextView.setText(currentWebsiteCertificateIssuedByUNameStringBuilder);
 793             currentWebsiteCertificateStartDateTextView.setText(currentWebsiteCertificateStartDateStringBuilder);
 794             currentWebsiteCertificateEndDateTextView.setText(currentWebsiteCertificateEndDateStringBuilder);
 795         }
 796
 797         // Set the initial display status for the SSL certificates.
 798         if (pinnedSslCertificateSwitch.isChecked()) {
 799             // Set the visibility of the saved SSL certificate.
 800             if (savedSslCertificateIssuedToCNameString == null) {
 801                 savedSslCertificateLinearLayout.setVisibility(View.GONE);
 802             } else {
 803                 savedSslCertificateLinearLayout.setVisibility(View.VISIBLE);
 804             }
 805
 806             // Set the visibility of the current website SSL certificate.
 807             if (currentWebsiteSslCertificate == null) {
 808                 // Hide the SSL certificate.
 809                 currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
 810
 811                 // Show the instruction.
 812                 noCurrentWebsiteCertificateTextView.setVisibility(View.VISIBLE);
 813             } else {
 814                 // Show the SSL certificate.
 815                 currentWebsiteCertificateLinearLayout.setVisibility(View.VISIBLE);
 816
 817                 // Hide the instruction.
 818                 noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
 819             }
 820
 821             // Set the status of the radio buttons.
 822             if (savedSslCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is displayed.
 823                 savedSslCertificateRadioButton.setChecked(true);
 824                 currentWebsiteCertificateRadioButton.setChecked(false);
 825             } else if (currentWebsiteCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is hidden but the current website SSL certificate is visible.
 826                 currentWebsiteCertificateRadioButton.setChecked(true);
 827                 savedSslCertificateRadioButton.setChecked(false);
 828             } else {  // Neither SSL certificate is visible.
 829                 savedSslCertificateRadioButton.setChecked(false);
 830                 currentWebsiteCertificateRadioButton.setChecked(false);
 831             }
 832         } else {  // `pinnedSslCertificateSwitch` is not checked.
 833             // Hide the SSl certificates and instructions.
 834             savedSslCertificateLinearLayout.setVisibility(View.GONE);
 835             currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
 836             noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
 837
 838             // Uncheck the radio buttons.
 839             savedSslCertificateRadioButton.setChecked(false);
 840             currentWebsiteCertificateRadioButton.setChecked(false);
 841         }
 842
 843
 844         // Set the `javaScriptEnabledSwitch` `OnCheckedChangeListener()`.
 845         javaScriptEnabledSwitch.setOnCheckedChangeListener((CompoundButton buttonView, boolean isChecked) -> {
 846             if (isChecked) {  // JavaScript is enabled.
 847                 // Update the JavaScript icon.
 848                 javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.javascript_enabled));
 849
 850                 // Enable the DOM storage `Switch`.
 851                 domStorageEnabledSwitch.setEnabled(true);
 852
 853                 // Update the DOM storage icon.
 854                 if (domStorageEnabledSwitch.isChecked()) {  // DOM storage is enabled.
 855                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_enabled));
 856                 } else {  // DOM storage is disabled.
 857                     // Set the icon according to the theme.
 858                     if (MainWebViewActivity.darkTheme) {
 859                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_dark));
 860                     } else {
 861                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_light));
 862                     }
 863                 }
 864             } else {  // JavaScript is disabled.
 865                 // Update the JavaScript icon.
 866                 javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.privacy_mode));
 867
 868                 // Disable the DOM storage `Switch`.
 869                 domStorageEnabledSwitch.setEnabled(false);
 870
 871                 // Set the DOM storage icon according to the theme.
 872                 if (MainWebViewActivity.darkTheme) {
 873                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_dark));
 874                 } else {
 875                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_light));
 876                 }
 877             }
 878         });
 879
 880         // Set the `firstPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 881         firstPartyCookiesEnabledSwitch.setOnCheckedChangeListener((CompoundButton buttonView, boolean isChecked) -> {
 882             if (isChecked) {  // First-party cookies are enabled.
 883                 // Update the first-party cookies icon.
 884                 firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_enabled));
 885
 886                 // Enable the third-party cookies `Switch`.
 887                 thirdPartyCookiesEnabledSwitch.setEnabled(true);
 888
 889                 // Update the third-party cookies icon.
 890                 if (thirdPartyCookiesEnabledSwitch.isChecked()) {  // Third-party cookies are enabled.
 891                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_warning));
 892                 } else {  // Third-party cookies are disabled.
 893                     // Set the third-party cookies icon according to the theme.
 894                     if (MainWebViewActivity.darkTheme) {
 895                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 896                     } else {
 897                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 898                     }
 899                 }
 900             } else {  // First-party cookies are disabled.
 901                 // Update the first-party cookies icon according to the theme.
 902                 if (MainWebViewActivity.darkTheme) {
 903                     firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 904                 } else {
 905                     firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 906                 }
 907
 908                 // Disable the third-party cookies `Switch`.
 909                 thirdPartyCookiesEnabledSwitch.setEnabled(false);
 910
 911                 // Set the third-party cookies icon according to the theme.
 912                 if (MainWebViewActivity.darkTheme) {
 913                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_ghosted_dark));
 914                 } else {
 915                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_ghosted_light));
 916                 }
 917             }
 918         });
 919
 920         // Set the `thirdPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 921         thirdPartyCookiesEnabledSwitch.setOnCheckedChangeListener((CompoundButton buttonView, boolean isChecked) -> {
 922             // Update the icon.
 923             if (isChecked) {
 924                 thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_warning));
 925             } else {
 926                 // Update the third-party cookies icon according to the theme.
 927                 if (MainWebViewActivity.darkTheme) {
 928                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 929                 } else {
 930                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 931                 }
 932             }
 933         });
 934
 935         // Set the `domStorageEnabledSwitch` `OnCheckedChangeListener()`.
 936         domStorageEnabledSwitch.setOnCheckedChangeListener((CompoundButton buttonView, boolean isChecked) -> {
 937             // Update the icon.
 938             if (isChecked) {
 939                 domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_enabled));
 940             } else {
 941                 // Set the icon according to the theme.
 942                 if (MainWebViewActivity.darkTheme) {
 943                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_dark));
 944                 } else {
 945                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_light));
 946                 }
 947             }
 948         });
 949
 950         // Set the `formDataEnabledSwitch` `OnCheckedChangeListener()`.
 951         formDataEnabledSwitch.setOnCheckedChangeListener((CompoundButton buttonView, boolean isChecked) -> {
 952             // Update the icon.
 953             if (isChecked) {
 954                 formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_enabled));
 955             } else {
 956                 // Set the icon according to the theme.
 957                 if (MainWebViewActivity.darkTheme) {
 958                     formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_disabled_dark));
 959                 } else {
 960                     formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_disabled_light));
 961                 }
 962             }
 963         });
 964
 965         // Set the `userAgentSpinner` `onItemClickListener()`.
 966         userAgentSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
 967             @Override
 968             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
 969                 // Store the new user agent string.
 970                 String newUserAgentString = resources.getStringArray(R.array.domain_settings_user_agent_entry_values)[position];
 971
 972                 // Set the new user agent.
 973                 switch (newUserAgentString) {
 974                     case "System default user agent":
 975                         // Show `userAgentTextView`.
 976                         userAgentTextView.setVisibility(View.VISIBLE);
 977
 978                         // Hide `customUserAgentEditText`.
 979                         customUserAgentEditText.setVisibility(View.GONE);
 980
 981                         // Set the user text.
 982                         switch (defaultUserAgentString) {
 983                             case "WebView default user agent":
 984                                 // Display the `WebView` default user agent.
 985                                 userAgentTextView.setText(webViewDefaultUserAgentString);
 986                                 break;
 987
 988                             case "Custom user agent":
 989                                 // Display the custom user agent.
 990                                 userAgentTextView.setText(defaultCustomUserAgentString);
 991                                 break;
 992
 993                             default:
 994                                 // Display the text from `defaultUserAgentString`.
 995                                 userAgentTextView.setText(defaultUserAgentString);
 996                         }
 997                         break;
 998
 999                     case "WebView default user agent":
1000                         // Show `userAgentTextView` and set the text.
1001                         userAgentTextView.setVisibility(View.VISIBLE);
1002                         userAgentTextView.setText(webViewDefaultUserAgentString);
1003
1004                         // Hide `customUserAgentEditText`.
1005                         customUserAgentEditText.setVisibility(View.GONE);
1006                         break;
1007
1008                     case "Custom user agent":
1009                         // Hide `userAgentTextView`.
1010                         userAgentTextView.setVisibility(View.GONE);
1011
1012                         // Show `customUserAgentEditText` and set `userAgentString` as the text.
1013                         customUserAgentEditText.setVisibility(View.VISIBLE);
1014                         customUserAgentEditText.setText(currentUserAgentString);
1015                         break;
1016
1017                     default:
1018                         // Show `userAgentTextView` and set the text.
1019                         userAgentTextView.setVisibility(View.VISIBLE);
1020                         userAgentTextView.setText(newUserAgentString);
1021
1022                         // Hide `customUserAgentEditText`.
1023                         customUserAgentEditText.setVisibility(View.GONE);
1024                 }
1025             }
1026
1027             @Override
1028             public void onNothingSelected(AdapterView<?> parent) {
1029                 // Do nothing.
1030             }
1031         });
1032
1033         // Set the `fontSizeSpinner` `onItemSelectedListener()`.
1034         fontSizeSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
1035             @Override
1036             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
1037                 // Update the display options for `fontSizeTextView`.
1038                 if (position == 0) {  // System default font size has been selected.  Display `fontSizeTextView`.
1039                     fontSizeTextView.setVisibility(View.VISIBLE);
1040                 } else {  // A custom font size has been selected.  Hide `fontSizeTextView`.
1041                     fontSizeTextView.setVisibility(View.GONE);
1042                 }
1043             }
1044
1045             @Override
1046             public void onNothingSelected(AdapterView<?> parent) {
1047                 // Do nothing.
1048             }
1049         });
1050
1051         // Set the `displayWebpageImagesSpinner` `onItemSelectedListener()`.
1052         displayWebpageImagesSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
1053             @Override
1054             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
1055                 // Update the icon and the visibility of `displayImagesTextView`.
1056                 switch (position) {
1057                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
1058                         if (defaultDisplayWebpageImagesBoolean) {
1059                             // Set the icon according to the theme.
1060                             if (MainWebViewActivity.darkTheme) {
1061                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
1062                             } else {
1063                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
1064                             }
1065                         } else {
1066                             // Set the icon according to the theme.
1067                             if (MainWebViewActivity.darkTheme) {
1068                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
1069                             } else {
1070                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
1071                             }
1072                         }
1073
1074                         // Show `displayImagesTextView`.
1075                         displayImagesTextView.setVisibility(View.VISIBLE);
1076                         break;
1077
1078                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
1079                         // Set the icon according to the theme.
1080                         if (MainWebViewActivity.darkTheme) {
1081                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
1082                         } else {
1083                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
1084                         }
1085
1086                         // Hide `displayImagesTextView`.
1087                         displayImagesTextView.setVisibility(View.GONE);
1088                         break;
1089
1090                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
1091                         // Set the icon according to the theme.
1092                         if (MainWebViewActivity.darkTheme) {
1093                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
1094                         } else {
1095                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
1096                         }
1097
1098                         // Hide `displayImagesTextView`.
1099                         displayImagesTextView.setVisibility(View.GONE);
1100                         break;
1101                 }
1102             }
1103
1104             @Override
1105             public void onNothingSelected(AdapterView<?> parent) {
1106                 // Do nothing.
1107             }
1108         });
1109
1110         // Set the `nightModeSpinner` `onItemSelectedListener()`.
1111         nightModeSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
1112             @Override
1113             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
1114                 // Update the icon and the visibility of `nightModeTextView`.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
1115                 switch (position) {
1116                     case DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT:
1117                         if (defaultNightModeBoolean) {  // Night mode enabled by default.
1118                             // Set the icon according to the theme.
1119                             if (MainWebViewActivity.darkTheme) {
1120                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
1121                             } else {
1122                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
1123                             }
1124                         } else {  // Night mode disabled by default.
1125                             // Set the icon according to the theme.
1126                             if (MainWebViewActivity.darkTheme) {
1127                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
1128                             } else {
1129                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
1130                             }
1131                         }
1132
1133                         // Show `nightModeTextView`.
1134                         nightModeTextView.setVisibility(View.VISIBLE);
1135                         break;
1136
1137                     case DomainsDatabaseHelper.NIGHT_MODE_ENABLED:
1138                         // Set the icon according to the theme.
1139                         if (MainWebViewActivity.darkTheme) {
1140                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
1141                         } else {
1142                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
1143                         }
1144
1145                         // Hide `nightModeTextView`.
1146                         nightModeTextView.setVisibility(View.GONE);
1147                         break;
1148
1149                     case DomainsDatabaseHelper.NIGHT_MODE_DISABLED:
1150                         // Set the icon according to the theme.
1151                         if (MainWebViewActivity.darkTheme) {
1152                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
1153                         } else {
1154                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
1155                         }
1156
1157                         // Hide `nightModeTextView`.
1158                         nightModeTextView.setVisibility(View.GONE);
1159                         break;
1160                 }
1161
1162                 // Create a `boolean` to store the current night mode setting.
1163                 boolean currentNightModeEnabled = (position == DomainsDatabaseHelper.NIGHT_MODE_ENABLED) || ((position == DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT) && defaultNightModeBoolean);
1164
1165                 // Disable the JavaScript `Switch` if night mode is enabled.
1166                 if (currentNightModeEnabled) {
1167                     javaScriptEnabledSwitch.setEnabled(false);
1168                 } else {
1169                     javaScriptEnabledSwitch.setEnabled(true);
1170                 }
1171
1172                 // Update the JavaScript icon.
1173                 if ((javaScriptEnabledInt == 1) || currentNightModeEnabled) {
1174                     javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.javascript_enabled));
1175                 } else {
1176                     javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.privacy_mode));
1177                 }
1178
1179                 // Update the DOM storage status.
1180                 if ((javaScriptEnabledInt == 1) || currentNightModeEnabled) {  // JavaScript is enabled.
1181                     // Enable the DOM storage `Switch`.
1182                     domStorageEnabledSwitch.setEnabled(true);
1183
1184                     // Set the DOM storage status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
1185                     if (domStorageEnabledInt == 1) {  // Both JavaScript and DOM storage are enabled.
1186                         domStorageEnabledSwitch.setChecked(true);
1187                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_enabled));
1188                     } else {  // JavaScript is enabled but DOM storage is disabled.
1189                         // Set the DOM storage switch to off.
1190                         domStorageEnabledSwitch.setChecked(false);
1191
1192                         // Set the icon according to the theme.
1193                         if (MainWebViewActivity.darkTheme) {
1194                             domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_dark));
1195                         } else {
1196                             domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_light));
1197                         }
1198                     }
1199                 } else {  // JavaScript is disabled.
1200                     // Disable the DOM storage `Switch`.
1201                     domStorageEnabledSwitch.setEnabled(false);
1202
1203                     // Set the checked status of DOM storage.
1204                     if (domStorageEnabledInt == 1) {  // DOM storage is enabled but JavaScript is disabled.
1205                         domStorageEnabledSwitch.setChecked(true);
1206                     } else {  // Both JavaScript and DOM storage are disabled.
1207                         domStorageEnabledSwitch.setChecked(false);
1208                     }
1209
1210                     // Set the icon according to the theme.
1211                     if (MainWebViewActivity.darkTheme) {
1212                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_dark));
1213                     } else {
1214                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_light));
1215                     }
1216                 }
1217             }
1218
1219             @Override
1220             public void onNothingSelected(AdapterView<?> parent) {
1221                 // Do nothing.
1222             }
1223         });
1224
1225         // Set the `pinnedSSLCertificateSwitch` `onCheckedChangeListener()`.
1226         pinnedSslCertificateSwitch.setOnCheckedChangeListener((CompoundButton buttonView, boolean isChecked) -> {
1227             // Update the icon
1228             if (isChecked) {  // Pinned SSL certificate is enabled.
1229                 // Set the icon according to the theme.
1230                 if (MainWebViewActivity.darkTheme) {
1231                     pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_dark));
1232                 } else {
1233                     pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_light));
1234                 }
1235
1236                 // Update the visibility of the saved SSL certificate.
1237                 if (savedSslCertificateIssuedToCNameString == null) {
1238                     savedSslCertificateLinearLayout.setVisibility(View.GONE);
1239                 } else {
1240                     savedSslCertificateLinearLayout.setVisibility(View.VISIBLE);
1241                 }
1242
1243                 // Update the visibility of the current website SSL certificate.
1244                 if (currentWebsiteSslCertificate == null) {
1245                     // Hide the SSL certificate.
1246                     currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
1247
1248                     // Show the instruction.
1249                     noCurrentWebsiteCertificateTextView.setVisibility(View.VISIBLE);
1250                 } else {
1251                     // Show the SSL certificate.
1252                     currentWebsiteCertificateLinearLayout.setVisibility(View.VISIBLE);
1253
1254                     // Hide the instruction.
1255                     noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
1256                 }
1257
1258                 // Set the status of the radio buttons.
1259                 if (savedSslCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is displayed.
1260                     savedSslCertificateRadioButton.setChecked(true);
1261                     currentWebsiteCertificateRadioButton.setChecked(false);
1262                 } else if (currentWebsiteCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is hidden but the current website SSL certificate is visible.
1263                     currentWebsiteCertificateRadioButton.setChecked(true);
1264                     savedSslCertificateRadioButton.setChecked(false);
1265                 } else {  // Neither SSL certificate is visible.
1266                     savedSslCertificateRadioButton.setChecked(false);
1267                     currentWebsiteCertificateRadioButton.setChecked(false);
1268                 }
1269             } else {  // Pinned SSL certificate is disabled.
1270                 // Set the icon according to the theme.
1271                 if (MainWebViewActivity.darkTheme) {
1272                     pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_dark));
1273                 } else {
1274                     pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_light));
1275                 }
1276
1277                 // Hide the SSl certificates and instructions.
1278                 savedSslCertificateLinearLayout.setVisibility(View.GONE);
1279                 currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
1280                 noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
1281
1282                 // Uncheck the radio buttons.
1283                 savedSslCertificateRadioButton.setChecked(false);
1284                 currentWebsiteCertificateRadioButton.setChecked(false);
1285             }
1286         });
1287
1288         savedSslCertificateLinearLayout.setOnClickListener((View v) -> {
1289             savedSslCertificateRadioButton.setChecked(true);
1290             currentWebsiteCertificateRadioButton.setChecked(false);
1291         });
1292
1293         savedSslCertificateRadioButton.setOnClickListener((View v) -> {
1294             savedSslCertificateRadioButton.setChecked(true);
1295             currentWebsiteCertificateRadioButton.setChecked(false);
1296         });
1297
1298         currentWebsiteCertificateLinearLayout.setOnClickListener((View v) -> {
1299             currentWebsiteCertificateRadioButton.setChecked(true);
1300             savedSslCertificateRadioButton.setChecked(false);
1301         });
1302
1303         currentWebsiteCertificateRadioButton.setOnClickListener((View v) -> {
1304             currentWebsiteCertificateRadioButton.setChecked(true);
1305             savedSslCertificateRadioButton.setChecked(false);
1306         });
1307
1308         return domainSettingsView;
1309     }
1310
1311     private boolean checkDomainNameAgainstCertificate(String domainName, String certificateCommonName) {
1312         // Initialize `domainNamesMatch`.
1313         boolean domainNamesMatch = false;
1314
1315         // Check if the domains match.
1316         if (domainName.equals(certificateCommonName)) {
1317             domainNamesMatch = true;
1318         }
1319
1320         // Check various wildcard permutations if `domainName` and `certificateCommonName` are not empty.  `noinspection ConstantCondition` removes Android Studio's incorrect lint warning that `domainName` can never be `null`.
1321         //noinspection ConstantConditions
1322         if ((domainName != null) && (certificateCommonName != null)) {
1323             // If `domainName` starts with a wildcard, check the base domain against all the subdomains of `certificateCommonName`.
1324             if (!domainNamesMatch && domainName.startsWith("*.") && (domainName.length() > 2)) {
1325                 // Remove the initial `*.`.
1326                 String baseDomainName = domainName.substring(2);
1327
1328                 // Setup a copy of `certificateCommonName` to test subdomains.
1329                 String certificateCommonNameSubdomain = certificateCommonName;
1330
1331                 // Check all the subdomains in `certificateCommonNameSubdomain` against `baseDomainName`.
1332                 while (!domainNamesMatch && certificateCommonNameSubdomain.contains(".")) {  // Stop checking if we know that `domainNamesMatch` is `true` or if we run out of  `.`.
1333                     // Test the `certificateCommonNameSubdomain` against `baseDomainName`.
1334                     if (certificateCommonNameSubdomain.equals(baseDomainName)) {
1335                         domainNamesMatch = true;
1336                     }
1337
1338                     // Strip out the lowest subdomain of `certificateCommonNameSubdomain`.
1339                     try {
1340                         certificateCommonNameSubdomain = certificateCommonNameSubdomain.substring(certificateCommonNameSubdomain.indexOf(".") + 1);
1341                     } catch (IndexOutOfBoundsException e) {  // `certificateCommonNameSubdomain` ends with `.`.
1342                         certificateCommonNameSubdomain = "";
1343                     }
1344                 }
1345             }
1346
1347             // If `certificateCommonName` starts with a wildcard, check the base common name against all the subdomains of `domainName`.
1348             if (!domainNamesMatch && certificateCommonName.startsWith("*.") && (certificateCommonName.length() > 2)) {
1349                 // Remove the initial `*.`.
1350                 String baseCertificateCommonName = certificateCommonName.substring(2);
1351
1352                 // Setup a copy of `domainName` to test subdomains.
1353                 String domainNameSubdomain = domainName;
1354
1355                 // Check all the subdomains in `domainNameSubdomain` against `baseCertificateCommonName`.
1356                 while (!domainNamesMatch && domainNameSubdomain.contains(".") && (domainNameSubdomain.length() > 2)) {
1357                     // Test the `domainNameSubdomain` against `baseCertificateCommonName`.
1358                     if (domainNameSubdomain.equals(baseCertificateCommonName)) {
1359                         domainNamesMatch = true;
1360                     }
1361
1362                     // Strip out the lowest subdomain of `domainNameSubdomain`.
1363                     try {
1364                         domainNameSubdomain = domainNameSubdomain.substring(domainNameSubdomain.indexOf(".") + 1);
1365                     } catch (IndexOutOfBoundsException e) { // `domainNameSubdomain` ends with `.`.
1366                         domainNameSubdomain = "";
1367                     }
1368                 }
1369             }
1370
1371             // If both names start with a wildcard, check if the root of one contains the root of the other.
1372             if (!domainNamesMatch && domainName.startsWith("*.") && (domainName.length() > 2) && certificateCommonName.startsWith("*.") && (certificateCommonName.length() > 2)) {
1373                 // Remove the wildcards.
1374                 String rootDomainName = domainName.substring(2);
1375                 String rootCertificateCommonName = certificateCommonName.substring(2);
1376
1377                 // Check if one name ends with the contents of the other.  If so, there will be overlap in the their wildcard subdomains.
1378                 if (rootDomainName.endsWith(rootCertificateCommonName) || rootCertificateCommonName.endsWith(rootDomainName)) {
1379                     domainNamesMatch = true;
1380                 }
1381             }
1382         }
1383
1384         return domainNamesMatch;
1385     }
1386 }