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 = (EditText) domainSettingsView.findViewById(R.id.domain_settings_name_edittext);
  99         final Switch javaScriptEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_javascript_switch);
 100         final ImageView javaScriptImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_javascript_imageview);
 101         Switch firstPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_switch);
 102         final ImageView firstPartyCookiesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_imageview);
 103         LinearLayout thirdPartyCookiesLinearLayout = (LinearLayout) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_linearlayout);
 104         final Switch thirdPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_switch);
 105         final ImageView thirdPartyCookiesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_imageview);
 106         final Switch domStorageEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_dom_storage_switch);
 107         final ImageView domStorageImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_dom_storage_imageview);
 108         Switch formDataEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_form_data_switch);
 109         final ImageView formDataImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_form_data_imageview);
 110         final Spinner userAgentSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_user_agent_spinner);
 111         final TextView userAgentTextView = (TextView) domainSettingsView.findViewById(R.id.domain_settings_user_agent_textview);
 112         final EditText customUserAgentEditText = (EditText) domainSettingsView.findViewById(R.id.domain_settings_custom_user_agent_edittext);
 113         final Spinner fontSizeSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_font_size_spinner);
 114         final TextView fontSizeTextView = (TextView) domainSettingsView.findViewById(R.id.domain_settings_font_size_textview);
 115         final ImageView displayWebpageImagesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_imageview);
 116         final Spinner displayWebpageImagesSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_spinner);
 117         final TextView displayImagesTextView = (TextView) domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_textview);
 118         final ImageView nightModeImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_night_mode_imageview);
 119         final Spinner nightModeSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_night_mode_spinner);
 120         final TextView nightModeTextView = (TextView) domainSettingsView.findViewById(R.id.domain_settings_night_mode_textview);
 121         final ImageView pinnedSslCertificateImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_pinned_ssl_certificate_imageview);
 122         Switch pinnedSslCertificateSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_pinned_ssl_certificate_switch);
 123         final LinearLayout savedSslCertificateLinearLayout = (LinearLayout) domainSettingsView.findViewById(R.id.saved_ssl_certificate_linearlayout);
 124         final RadioButton savedSslCertificateRadioButton = (RadioButton) domainSettingsView.findViewById(R.id.saved_ssl_certificate_radiobutton);
 125         final TextView savedSslCertificateIssuedToCNameTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_to_cname);
 126         TextView savedSslCertificateIssuedToONameTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_to_oname);
 127         TextView savedSslCertificateIssuedToUNameTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_to_uname);
 128         TextView savedSslCertificateIssuedByCNameTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_by_cname);
 129         TextView savedSslCertificateIssuedByONameTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_by_oname);
 130         TextView savedSslCertificateIssuedByUNameTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_issued_by_uname);
 131         TextView savedSslCertificateStartDateTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_start_date);
 132         TextView savedSslCertificateEndDateTextView = (TextView) domainSettingsView.findViewById(R.id.saved_ssl_certificate_end_date);
 133         final LinearLayout currentWebsiteCertificateLinearLayout = (LinearLayout) domainSettingsView.findViewById(R.id.current_website_certificate_linearlayout);
 134         final RadioButton currentWebsiteCertificateRadioButton = (RadioButton) domainSettingsView.findViewById(R.id.current_website_certificate_radiobutton);
 135         final TextView currentWebsiteCertificateIssuedToCNameTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_issued_to_cname);
 136         TextView currentWebsiteCertificateIssuedToONameTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_issued_to_oname);
 137         TextView currentWebsiteCertificateIssuedToUNameTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_issued_to_uname);
 138         TextView currentWebsiteCertificateIssuedByCNameTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_issued_by_cname);
 139         TextView currentWebsiteCertificateIssuedByONameTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_issued_by_oname);
 140         TextView currentWebsiteCertificateIssuedByUNameTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_issued_by_uname);
 141         TextView currentWebsiteCertificateStartDateTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_start_date);
 142         TextView currentWebsiteCertificateEndDateTextView = (TextView) domainSettingsView.findViewById(R.id.current_website_certificate_end_date);
 143         final TextView noCurrentWebsiteCertificateTextView = (TextView) 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 = (WebView) 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(new View.OnClickListener() {
 513             @Override
 514             public void onClick(View v) {
 515                 // Open the user agent spinner.
 516                 userAgentSpinner.performClick();
 517             }
 518         });
 519
 520         // Set the selected font size.
 521         int fontSizeArrayPosition = fontSizeEntryValuesArrayAdapter.getPosition(String.valueOf(fontSizeInt));
 522         fontSizeSpinner.setSelection(fontSizeArrayPosition);
 523
 524         // Set the default font size text.
 525         int defaultFontSizeArrayPosition = fontSizeEntryValuesArrayAdapter.getPosition(defaultFontSizeString);
 526         fontSizeTextView.setText(fontSizeArrayAdapter.getItem(defaultFontSizeArrayPosition));
 527
 528         // Set the display options for `fontSizeTextView`.
 529         if (fontSizeArrayPosition == 0) {  // System default font size is selected.  Display `fontSizeTextView`.
 530             fontSizeTextView.setVisibility(View.VISIBLE);
 531         } else {  // A custom font size is specified.  Hide `fontSizeTextView`.
 532             fontSizeTextView.setVisibility(View.GONE);
 533         }
 534
 535         // Open the font size spinner when the `TextView` is clicked.
 536         fontSizeTextView.setOnClickListener(new View.OnClickListener() {
 537             @Override
 538             public void onClick(View v) {
 539                 // Open the user agent spinner.
 540                 fontSizeSpinner.performClick();
 541             }
 542         });
 543
 544         // Display the website images mode in the spinner.
 545         displayWebpageImagesSpinner.setSelection(displayImagesInt);
 546
 547         // Set the default display images text.
 548         if (defaultDisplayWebpageImagesBoolean) {
 549             displayImagesTextView.setText(displayImagesArrayAdapter.getItem(DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED));
 550         } else {
 551             displayImagesTextView.setText(displayImagesArrayAdapter.getItem(DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED));
 552         }
 553
 554         // 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.
 555         switch (displayImagesInt) {
 556             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
 557                 if (defaultDisplayWebpageImagesBoolean) {  // Display webpage images enabled by default.
 558                     // Set the icon according to the theme.
 559                     if (MainWebViewActivity.darkTheme) {
 560                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
 561                     } else {
 562                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
 563                     }
 564                 } else {  // Display webpage images disabled by default.
 565                     // Set the icon according to the theme.
 566                     if (MainWebViewActivity.darkTheme) {
 567                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
 568                     } else {
 569                         displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
 570                     }
 571                 }
 572
 573                 // Show `displayImagesTextView`.
 574                 displayImagesTextView.setVisibility(View.VISIBLE);
 575                 break;
 576
 577             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
 578                 // Set the icon according to the theme.
 579                 if (MainWebViewActivity.darkTheme) {
 580                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
 581                 } else {
 582                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
 583                 }
 584
 585                 // Hide `displayImagesTextView`.
 586                 displayImagesTextView.setVisibility(View.GONE);
 587                 break;
 588
 589             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
 590                 // Set the icon according to the theme.
 591                 if (MainWebViewActivity.darkTheme) {
 592                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
 593                 } else {
 594                     displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
 595                 }
 596
 597                 // Hide `displayImagesTextView`.
 598                 displayImagesTextView.setVisibility(View.GONE);
 599                 break;
 600         }
 601
 602         // Open the display images spinner when the `TextView` is clicked.
 603         displayImagesTextView.setOnClickListener(new View.OnClickListener() {
 604             @Override
 605             public void onClick(View v) {
 606                 // Open the user agent spinner.
 607                 displayWebpageImagesSpinner.performClick();
 608             }
 609         });
 610
 611         // Display the night mode in the spinner.
 612         nightModeSpinner.setSelection(nightModeInt);
 613
 614         // Set the default night mode text.
 615         if (defaultNightModeBoolean) {
 616             nightModeTextView.setText(nightModeArrayAdapter.getItem(DomainsDatabaseHelper.NIGHT_MODE_ENABLED));
 617         } else {
 618             nightModeTextView.setText(nightModeArrayAdapter.getItem(DomainsDatabaseHelper.NIGHT_MODE_DISABLED));
 619         }
 620
 621         // 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.
 622         switch (displayImagesInt) {
 623             case DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT:
 624                 if (defaultNightModeBoolean) {  // Night mode enabled by default.
 625                     // Set the icon according to the theme.
 626                     if (MainWebViewActivity.darkTheme) {
 627                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
 628                     } else {
 629                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
 630                     }
 631                 } else {  // Night mode disabled by default.
 632                     // Set the icon according to the theme.
 633                     if (MainWebViewActivity.darkTheme) {
 634                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
 635                     } else {
 636                         nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
 637                     }
 638                 }
 639
 640                 // Show `nightModeTextView`.
 641                 nightModeTextView.setVisibility(View.VISIBLE);
 642                 break;
 643
 644             case DomainsDatabaseHelper.NIGHT_MODE_ENABLED:
 645                 // Set the icon according to the theme.
 646                 if (MainWebViewActivity.darkTheme) {
 647                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
 648                 } else {
 649                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
 650                 }
 651
 652                 // Hide `nightModeTextView`.
 653                 nightModeTextView.setVisibility(View.GONE);
 654                 break;
 655
 656             case DomainsDatabaseHelper.NIGHT_MODE_DISABLED:
 657                 // Set the icon according to the theme.
 658                 if (MainWebViewActivity.darkTheme) {
 659                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
 660                 } else {
 661                     nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
 662                 }
 663
 664                 // Hide `nightModeTextView`.
 665                 nightModeTextView.setVisibility(View.GONE);
 666                 break;
 667         }
 668
 669         // Open the night mode spinner when the `TextView` is clicked.
 670         nightModeTextView.setOnClickListener(new View.OnClickListener() {
 671             @Override
 672             public void onClick(View v) {
 673                 // Open the user agent spinner.
 674                 nightModeSpinner.performClick();
 675             }
 676         });
 677
 678         // Set the pinned SSL certificate icon.
 679         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.
 680             // Check the switch.
 681             pinnedSslCertificateSwitch.setChecked(true);
 682
 683             // Set the icon according to the theme.
 684             if (MainWebViewActivity.darkTheme) {
 685                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_dark));
 686             } else {
 687                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_light));
 688             }
 689         } else {  // Pinned SSL certificate is disabled.
 690             // Uncheck the switch.
 691             pinnedSslCertificateSwitch.setChecked(false);
 692
 693             // Set the icon according to the theme.
 694             if (MainWebViewActivity.darkTheme) {
 695                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_dark));
 696             } else {
 697                 pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_light));
 698             }
 699         }
 700
 701         // Store the current date.
 702         Date currentDate = Calendar.getInstance().getTime();
 703
 704         // Setup the `StringBuilders` to display the general certificate information in blue.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 705         savedSslCertificateIssuedToONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), savedSslCertificateIssuedToONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 706         savedSslCertificateIssuedToUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), savedSslCertificateIssuedToUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 707         savedSslCertificateIssuedByCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), savedSslCertificateIssuedByCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 708         savedSslCertificateIssuedByONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), savedSslCertificateIssuedByONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 709         savedSslCertificateIssuedByUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), savedSslCertificateIssuedByUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 710
 711         // Check the certificate `Common Name` against the domain name.
 712         boolean savedSSlCertificateCommonNameMatchesDomainName = checkDomainNameAgainstCertificate(domainNameString, savedSslCertificateIssuedToCNameString);
 713
 714         // Format the `issuedToCommonName` color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 715         if (savedSSlCertificateCommonNameMatchesDomainName) {
 716             savedSslCertificateIssuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), savedSslCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 717         } else {
 718             savedSslCertificateIssuedToCNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), savedSslCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 719         }
 720
 721         //  Format the start date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 722         if ((savedSslCertificateStartDate != null) && savedSslCertificateStartDate.after(currentDate)) {  // The certificate start date is in the future.
 723             savedSslCertificateStartDateStringBuilder.setSpan(redColorSpan, startDateLabel.length(), savedSslCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 724         } else {  // The certificate start date is in the past.
 725             savedSslCertificateStartDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), savedSslCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 726         }
 727
 728         // Format the end date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 729         if ((savedSslCertificateEndDate != null) && savedSslCertificateEndDate.before(currentDate)) {  // The certificate end date is in the past.
 730             savedSslCertificateEndDateStringBuilder.setSpan(redColorSpan, endDateLabel.length(), savedSslCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 731         } else {  // The certificate end date is in the future.
 732             savedSslCertificateEndDateStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), savedSslCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 733         }
 734
 735         // Display the current website SSL certificate strings.
 736         savedSslCertificateIssuedToCNameTextView.setText(savedSslCertificateIssuedToCNameStringBuilder);
 737         savedSslCertificateIssuedToONameTextView.setText(savedSslCertificateIssuedToONameStringBuilder);
 738         savedSslCertificateIssuedToUNameTextView.setText(savedSslCertificateIssuedToUNameStringBuilder);
 739         savedSslCertificateIssuedByCNameTextView.setText(savedSslCertificateIssuedByCNameStringBuilder);
 740         savedSslCertificateIssuedByONameTextView.setText(savedSslCertificateIssuedByONameStringBuilder);
 741         savedSslCertificateIssuedByUNameTextView.setText(savedSslCertificateIssuedByUNameStringBuilder);
 742         savedSslCertificateStartDateTextView.setText(savedSslCertificateStartDateStringBuilder);
 743         savedSslCertificateEndDateTextView.setText(savedSslCertificateEndDateStringBuilder);
 744
 745         // Populate the current website SSL certificate if there is one.
 746         if (currentWebsiteSslCertificate != null) {
 747             // Get the strings from the SSL certificate.
 748             String currentWebsiteCertificateIssuedToCNameString = currentWebsiteSslCertificate.getIssuedTo().getCName();
 749             String currentWebsiteCertificateIssuedToONameString = currentWebsiteSslCertificate.getIssuedTo().getOName();
 750             String currentWebsiteCertificateIssuedToUNameString = currentWebsiteSslCertificate.getIssuedTo().getUName();
 751             String currentWebsiteCertificateIssuedByCNameString = currentWebsiteSslCertificate.getIssuedBy().getCName();
 752             String currentWebsiteCertificateIssuedByONameString = currentWebsiteSslCertificate.getIssuedBy().getOName();
 753             String currentWebsiteCertificateIssuedByUNameString = currentWebsiteSslCertificate.getIssuedBy().getUName();
 754             Date currentWebsiteCertificateStartDate = currentWebsiteSslCertificate.getValidNotBeforeDate();
 755             Date currentWebsiteCertificateEndDate = currentWebsiteSslCertificate.getValidNotAfterDate();
 756
 757             // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
 758             SpannableStringBuilder currentWebsiteCertificateIssuedToCNameStringBuilder = new SpannableStringBuilder(cNameLabel + currentWebsiteCertificateIssuedToCNameString);
 759             SpannableStringBuilder currentWebsiteCertificateIssuedToONameStringBuilder = new SpannableStringBuilder(oNameLabel + currentWebsiteCertificateIssuedToONameString);
 760             SpannableStringBuilder currentWebsiteCertificateIssuedToUNameStringBuilder = new SpannableStringBuilder(uNameLabel + currentWebsiteCertificateIssuedToUNameString);
 761             SpannableStringBuilder currentWebsiteCertificateIssuedByCNameStringBuilder = new SpannableStringBuilder(cNameLabel + currentWebsiteCertificateIssuedByCNameString);
 762             SpannableStringBuilder currentWebsiteCertificateIssuedByONameStringBuilder = new SpannableStringBuilder(oNameLabel + currentWebsiteCertificateIssuedByONameString);
 763             SpannableStringBuilder currentWebsiteCertificateIssuedByUNameStringBuilder = new SpannableStringBuilder(uNameLabel + currentWebsiteCertificateIssuedByUNameString);
 764             SpannableStringBuilder currentWebsiteCertificateStartDateStringBuilder = new SpannableStringBuilder(startDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(currentWebsiteCertificateStartDate));
 765             SpannableStringBuilder currentWebsiteCertificateEndDateStringBuilder = new SpannableStringBuilder(endDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(currentWebsiteCertificateEndDate));
 766
 767             // Setup the `StringBuilders` to display the general certificate information in blue.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 768             currentWebsiteCertificateIssuedToONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), currentWebsiteCertificateIssuedToONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 769             currentWebsiteCertificateIssuedToUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), currentWebsiteCertificateIssuedToUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 770             currentWebsiteCertificateIssuedByCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), currentWebsiteCertificateIssuedByCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 771             currentWebsiteCertificateIssuedByONameStringBuilder.setSpan(blueColorSpan, oNameLabel.length(), currentWebsiteCertificateIssuedByONameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 772             currentWebsiteCertificateIssuedByUNameStringBuilder.setSpan(blueColorSpan, uNameLabel.length(), currentWebsiteCertificateIssuedByUNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 773
 774             // Check the certificate `Common Name` against the domain name.
 775             boolean currentWebsiteCertificateCommonNameMatchesDomainName = checkDomainNameAgainstCertificate(domainNameString, currentWebsiteCertificateIssuedToCNameString);
 776
 777             // Format the `issuedToCommonName` color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 778             if (currentWebsiteCertificateCommonNameMatchesDomainName) {
 779                 currentWebsiteCertificateIssuedToCNameStringBuilder.setSpan(blueColorSpan, cNameLabel.length(), currentWebsiteCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 780             } else {
 781                 currentWebsiteCertificateIssuedToCNameStringBuilder.setSpan(redColorSpan, cNameLabel.length(), currentWebsiteCertificateIssuedToCNameStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 782             }
 783
 784             //  Format the start date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 785             if (currentWebsiteCertificateStartDate.after(currentDate)) {  // The certificate start date is in the future.
 786                 currentWebsiteCertificateStartDateStringBuilder.setSpan(redColorSpan, startDateLabel.length(), currentWebsiteCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 787             } else {  // The certificate start date is in the past.
 788                 currentWebsiteCertificateStartDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), currentWebsiteCertificateStartDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 789             }
 790
 791             // Format the end date color.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 792             if (currentWebsiteCertificateEndDate.before(currentDate)) {  // The certificate end date is in the past.
 793                 currentWebsiteCertificateEndDateStringBuilder.setSpan(redColorSpan, endDateLabel.length(), currentWebsiteCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 794             } else {  // The certificate end date is in the future.
 795                 currentWebsiteCertificateEndDateStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), currentWebsiteCertificateEndDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 796             }
 797
 798             // Display the current website SSL certificate strings.
 799             currentWebsiteCertificateIssuedToCNameTextView.setText(currentWebsiteCertificateIssuedToCNameStringBuilder);
 800             currentWebsiteCertificateIssuedToONameTextView.setText(currentWebsiteCertificateIssuedToONameStringBuilder);
 801             currentWebsiteCertificateIssuedToUNameTextView.setText(currentWebsiteCertificateIssuedToUNameStringBuilder);
 802             currentWebsiteCertificateIssuedByCNameTextView.setText(currentWebsiteCertificateIssuedByCNameStringBuilder);
 803             currentWebsiteCertificateIssuedByONameTextView.setText(currentWebsiteCertificateIssuedByONameStringBuilder);
 804             currentWebsiteCertificateIssuedByUNameTextView.setText(currentWebsiteCertificateIssuedByUNameStringBuilder);
 805             currentWebsiteCertificateStartDateTextView.setText(currentWebsiteCertificateStartDateStringBuilder);
 806             currentWebsiteCertificateEndDateTextView.setText(currentWebsiteCertificateEndDateStringBuilder);
 807         }
 808
 809         // Set the initial display status for the SSL certificates.
 810         if (pinnedSslCertificateSwitch.isChecked()) {
 811             // Set the visibility of the saved SSL certificate.
 812             if (savedSslCertificateIssuedToCNameString == null) {
 813                 savedSslCertificateLinearLayout.setVisibility(View.GONE);
 814             } else {
 815                 savedSslCertificateLinearLayout.setVisibility(View.VISIBLE);
 816             }
 817
 818             // Set the visibility of the current website SSL certificate.
 819             if (currentWebsiteSslCertificate == null) {
 820                 // Hide the SSL certificate.
 821                 currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
 822
 823                 // Show the instruction.
 824                 noCurrentWebsiteCertificateTextView.setVisibility(View.VISIBLE);
 825             } else {
 826                 // Show the SSL certificate.
 827                 currentWebsiteCertificateLinearLayout.setVisibility(View.VISIBLE);
 828
 829                 // Hide the instruction.
 830                 noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
 831             }
 832
 833             // Set the status of the radio buttons.
 834             if (savedSslCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is displayed.
 835                 savedSslCertificateRadioButton.setChecked(true);
 836                 currentWebsiteCertificateRadioButton.setChecked(false);
 837             } else if (currentWebsiteCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is hidden but the current website SSL certificate is visible.
 838                 currentWebsiteCertificateRadioButton.setChecked(true);
 839                 savedSslCertificateRadioButton.setChecked(false);
 840             } else {  // Neither SSL certificate is visible.
 841                 savedSslCertificateRadioButton.setChecked(false);
 842                 currentWebsiteCertificateRadioButton.setChecked(false);
 843             }
 844         } else {  // `pinnedSslCertificateSwitch` is not checked.
 845             // Hide the SSl certificates and instructions.
 846             savedSslCertificateLinearLayout.setVisibility(View.GONE);
 847             currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
 848             noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
 849
 850             // Uncheck the radio buttons.
 851             savedSslCertificateRadioButton.setChecked(false);
 852             currentWebsiteCertificateRadioButton.setChecked(false);
 853         }
 854
 855
 856         // Set the `javaScriptEnabledSwitch` `OnCheckedChangeListener()`.
 857         javaScriptEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 858             @Override
 859             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 860                 if (isChecked) {  // JavaScript is enabled.
 861                     // Update the JavaScript icon.
 862                     javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.javascript_enabled));
 863
 864                     // Enable the DOM storage `Switch`.
 865                     domStorageEnabledSwitch.setEnabled(true);
 866
 867                     // Update the DOM storage icon.
 868                     if (domStorageEnabledSwitch.isChecked()) {  // DOM storage is enabled.
 869                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_enabled));
 870                     } else {  // DOM storage is disabled.
 871                         // Set the icon according to the theme.
 872                         if (MainWebViewActivity.darkTheme) {
 873                             domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_dark));
 874                         } else {
 875                             domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_light));
 876                         }
 877                     }
 878                 } else {  // JavaScript is disabled.
 879                     // Update the JavaScript icon.
 880                     javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.privacy_mode));
 881
 882                     // Disable the DOM storage `Switch`.
 883                     domStorageEnabledSwitch.setEnabled(false);
 884
 885                     // Set the DOM storage icon according to the theme.
 886                     if (MainWebViewActivity.darkTheme) {
 887                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_dark));
 888                     } else {
 889                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_light));
 890                     }
 891                 }
 892             }
 893         });
 894
 895         // Set the `firstPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 896         firstPartyCookiesEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 897             @Override
 898             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 899                 if (isChecked) {  // First-party cookies are enabled.
 900                     // Update the first-party cookies icon.
 901                     firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_enabled));
 902
 903                     // Enable the third-party cookies `Switch`.
 904                     thirdPartyCookiesEnabledSwitch.setEnabled(true);
 905
 906                     // Update the third-party cookies icon.
 907                     if (thirdPartyCookiesEnabledSwitch.isChecked()) {  // Third-party cookies are enabled.
 908                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_warning));
 909                     } else {  // Third-party cookies are disabled.
 910                         // Set the third-party cookies icon according to the theme.
 911                         if (MainWebViewActivity.darkTheme) {
 912                             thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 913                         } else {
 914                             thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 915                         }
 916                     }
 917                 } else {  // First-party cookies are disabled.
 918                     // Update the first-party cookies icon according to the theme.
 919                     if (MainWebViewActivity.darkTheme) {
 920                         firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 921                     } else {
 922                         firstPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 923                     }
 924
 925                     // Disable the third-party cookies `Switch`.
 926                     thirdPartyCookiesEnabledSwitch.setEnabled(false);
 927
 928                     // Set the third-party cookies icon according to the theme.
 929                     if (MainWebViewActivity.darkTheme) {
 930                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_ghosted_dark));
 931                     } else {
 932                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_ghosted_light));
 933                     }
 934                 }
 935             }
 936         });
 937
 938         // Set the `thirdPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 939         thirdPartyCookiesEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 940             @Override
 941             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 942                 // Update the icon.
 943                 if (isChecked) {
 944                     thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_warning));
 945                 } else {
 946                     // Update the third-party cookies icon according to the theme.
 947                     if (MainWebViewActivity.darkTheme) {
 948                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_dark));
 949                     } else {
 950                         thirdPartyCookiesImageView.setImageDrawable(resources.getDrawable(R.drawable.cookies_disabled_light));
 951                     }
 952                 }
 953             }
 954         });
 955
 956         // Set the `domStorageEnabledSwitch` `OnCheckedChangeListener()`.
 957         domStorageEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 958             @Override
 959             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 960                 // Update the icon.
 961                 if (isChecked) {
 962                     domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_enabled));
 963                 } else {
 964                     // Set the icon according to the theme.
 965                     if (MainWebViewActivity.darkTheme) {
 966                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_dark));
 967                     } else {
 968                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_light));
 969                     }
 970                 }
 971             }
 972         });
 973
 974         // Set the `formDataEnabledSwitch` `OnCheckedChangeListener()`.
 975         formDataEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 976             @Override
 977             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 978                 // Update the icon.
 979                 if (isChecked) {
 980                     formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_enabled));
 981                 } else {
 982                     // Set the icon according to the theme.
 983                     if (MainWebViewActivity.darkTheme) {
 984                         formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_disabled_dark));
 985                     } else {
 986                         formDataImageView.setImageDrawable(resources.getDrawable(R.drawable.form_data_disabled_light));
 987                     }
 988                 }
 989             }
 990         });
 991
 992         // Set the `userAgentSpinner` `onItemClickListener()`.
 993         userAgentSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
 994             @Override
 995             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
 996                 // Store the new user agent string.
 997                 String newUserAgentString = resources.getStringArray(R.array.domain_settings_user_agent_entry_values)[position];
 998
 999                 // Set the new user agent.
1000                 switch (newUserAgentString) {
1001                     case "System default user agent":
1002                         // Show `userAgentTextView`.
1003                         userAgentTextView.setVisibility(View.VISIBLE);
1004
1005                         // Hide `customUserAgentEditText`.
1006                         customUserAgentEditText.setVisibility(View.GONE);
1007
1008                         // Set the user text.
1009                         switch (defaultUserAgentString) {
1010                             case "WebView default user agent":
1011                                 // Display the `WebView` default user agent.
1012                                 userAgentTextView.setText(webViewDefaultUserAgentString);
1013                                 break;
1014
1015                             case "Custom user agent":
1016                                 // Display the custom user agent.
1017                                 userAgentTextView.setText(defaultCustomUserAgentString);
1018                                 break;
1019
1020                             default:
1021                                 // Display the text from `defaultUserAgentString`.
1022                                 userAgentTextView.setText(defaultUserAgentString);
1023                         }
1024                         break;
1025
1026                     case "WebView default user agent":
1027                         // Show `userAgentTextView` and set the text.
1028                         userAgentTextView.setVisibility(View.VISIBLE);
1029                         userAgentTextView.setText(webViewDefaultUserAgentString);
1030
1031                         // Hide `customUserAgentEditText`.
1032                         customUserAgentEditText.setVisibility(View.GONE);
1033                         break;
1034
1035                     case "Custom user agent":
1036                         // Hide `userAgentTextView`.
1037                         userAgentTextView.setVisibility(View.GONE);
1038
1039                         // Show `customUserAgentEditText` and set `userAgentString` as the text.
1040                         customUserAgentEditText.setVisibility(View.VISIBLE);
1041                         customUserAgentEditText.setText(currentUserAgentString);
1042                         break;
1043
1044                     default:
1045                         // Show `userAgentTextView` and set the text.
1046                         userAgentTextView.setVisibility(View.VISIBLE);
1047                         userAgentTextView.setText(newUserAgentString);
1048
1049                         // Hide `customUserAgentEditText`.
1050                         customUserAgentEditText.setVisibility(View.GONE);
1051                 }
1052             }
1053
1054             @Override
1055             public void onNothingSelected(AdapterView<?> parent) {
1056                 // Do nothing.
1057             }
1058         });
1059
1060         // Set the `fontSizeSpinner` `onItemSelectedListener()`.
1061         fontSizeSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
1062             @Override
1063             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
1064                 // Update the display options for `fontSizeTextView`.
1065                 if (position == 0) {  // System default font size has been selected.  Display `fontSizeTextView`.
1066                     fontSizeTextView.setVisibility(View.VISIBLE);
1067                 } else {  // A custom font size has been selected.  Hide `fontSizeTextView`.
1068                     fontSizeTextView.setVisibility(View.GONE);
1069                 }
1070             }
1071
1072             @Override
1073             public void onNothingSelected(AdapterView<?> parent) {
1074                 // Do nothing.
1075             }
1076         });
1077
1078         // Set the `displayWebpageImagesSpinner` `onItemSelectedListener()`.
1079         displayWebpageImagesSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
1080             @Override
1081             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
1082                 // Update the icon and the visibility of `displayImagesTextView`.
1083                 switch (position) {
1084                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
1085                         if (defaultDisplayWebpageImagesBoolean) {
1086                             // Set the icon according to the theme.
1087                             if (MainWebViewActivity.darkTheme) {
1088                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
1089                             } else {
1090                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
1091                             }
1092                         } else {
1093                             // Set the icon according to the theme.
1094                             if (MainWebViewActivity.darkTheme) {
1095                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
1096                             } else {
1097                                 displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
1098                             }
1099                         }
1100
1101                         // Show `displayImagesTextView`.
1102                         displayImagesTextView.setVisibility(View.VISIBLE);
1103                         break;
1104
1105                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
1106                         // Set the icon according to the theme.
1107                         if (MainWebViewActivity.darkTheme) {
1108                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_dark));
1109                         } else {
1110                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_enabled_light));
1111                         }
1112
1113                         // Hide `displayImagesTextView`.
1114                         displayImagesTextView.setVisibility(View.GONE);
1115                         break;
1116
1117                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
1118                         // Set the icon according to the theme.
1119                         if (MainWebViewActivity.darkTheme) {
1120                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_dark));
1121                         } else {
1122                             displayWebpageImagesImageView.setImageDrawable(resources.getDrawable(R.drawable.images_disabled_light));
1123                         }
1124
1125                         // Hide `displayImagesTextView`.
1126                         displayImagesTextView.setVisibility(View.GONE);
1127                         break;
1128                 }
1129             }
1130
1131             @Override
1132             public void onNothingSelected(AdapterView<?> parent) {
1133                 // Do nothing.
1134             }
1135         });
1136
1137         // Set the `nightModeSpinner` `onItemSelectedListener()`.
1138         nightModeSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
1139             @Override
1140             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
1141                 // 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.
1142                 switch (position) {
1143                     case DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT:
1144                         if (defaultNightModeBoolean) {  // Night mode enabled by default.
1145                             // Set the icon according to the theme.
1146                             if (MainWebViewActivity.darkTheme) {
1147                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
1148                             } else {
1149                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
1150                             }
1151                         } else {  // Night mode disabled by default.
1152                             // Set the icon according to the theme.
1153                             if (MainWebViewActivity.darkTheme) {
1154                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
1155                             } else {
1156                                 nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
1157                             }
1158                         }
1159
1160                         // Show `nightModeTextView`.
1161                         nightModeTextView.setVisibility(View.VISIBLE);
1162                         break;
1163
1164                     case DomainsDatabaseHelper.NIGHT_MODE_ENABLED:
1165                         // Set the icon according to the theme.
1166                         if (MainWebViewActivity.darkTheme) {
1167                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_dark));
1168                         } else {
1169                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_enabled_light));
1170                         }
1171
1172                         // Hide `nightModeTextView`.
1173                         nightModeTextView.setVisibility(View.GONE);
1174                         break;
1175
1176                     case DomainsDatabaseHelper.NIGHT_MODE_DISABLED:
1177                         // Set the icon according to the theme.
1178                         if (MainWebViewActivity.darkTheme) {
1179                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_dark));
1180                         } else {
1181                             nightModeImageView.setImageDrawable(resources.getDrawable(R.drawable.night_mode_disabled_light));
1182                         }
1183
1184                         // Hide `nightModeTextView`.
1185                         nightModeTextView.setVisibility(View.GONE);
1186                         break;
1187                 }
1188
1189                 // Create a `boolean` to store the current night mode setting.
1190                 boolean currentNightModeEnabled = (position == DomainsDatabaseHelper.NIGHT_MODE_ENABLED) || ((position == DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT) && defaultNightModeBoolean);
1191
1192                 // Disable the JavaScript `Switch` if night mode is enabled.
1193                 if (currentNightModeEnabled) {
1194                     javaScriptEnabledSwitch.setEnabled(false);
1195                 } else {
1196                     javaScriptEnabledSwitch.setEnabled(true);
1197                 }
1198
1199                 // Update the JavaScript icon.
1200                 if ((javaScriptEnabledInt == 1) || currentNightModeEnabled) {
1201                     javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.javascript_enabled));
1202                 } else {
1203                     javaScriptImageView.setImageDrawable(resources.getDrawable(R.drawable.privacy_mode));
1204                 }
1205
1206                 // Update the DOM storage status.
1207                 if ((javaScriptEnabledInt == 1) || currentNightModeEnabled) {  // JavaScript is enabled.
1208                     // Enable the DOM storage `Switch`.
1209                     domStorageEnabledSwitch.setEnabled(true);
1210
1211                     // Set the DOM storage status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
1212                     if (domStorageEnabledInt == 1) {  // Both JavaScript and DOM storage are enabled.
1213                         domStorageEnabledSwitch.setChecked(true);
1214                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_enabled));
1215                     } else {  // JavaScript is enabled but DOM storage is disabled.
1216                         // Set the DOM storage switch to off.
1217                         domStorageEnabledSwitch.setChecked(false);
1218
1219                         // Set the icon according to the theme.
1220                         if (MainWebViewActivity.darkTheme) {
1221                             domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_dark));
1222                         } else {
1223                             domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_disabled_light));
1224                         }
1225                     }
1226                 } else {  // JavaScript is disabled.
1227                     // Disable the DOM storage `Switch`.
1228                     domStorageEnabledSwitch.setEnabled(false);
1229
1230                     // Set the checked status of DOM storage.
1231                     if (domStorageEnabledInt == 1) {  // DOM storage is enabled but JavaScript is disabled.
1232                         domStorageEnabledSwitch.setChecked(true);
1233                     } else {  // Both JavaScript and DOM storage are disabled.
1234                         domStorageEnabledSwitch.setChecked(false);
1235                     }
1236
1237                     // Set the icon according to the theme.
1238                     if (MainWebViewActivity.darkTheme) {
1239                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_dark));
1240                     } else {
1241                         domStorageImageView.setImageDrawable(resources.getDrawable(R.drawable.dom_storage_ghosted_light));
1242                     }
1243                 }
1244             }
1245
1246             @Override
1247             public void onNothingSelected(AdapterView<?> parent) {
1248                 // Do nothing.
1249             }
1250         });
1251
1252         // Set the `pinnedSSLCertificateSwitch` `onCheckedChangeListener()`.
1253         pinnedSslCertificateSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
1254             @Override
1255             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
1256                 // Update the icon
1257                 if (isChecked) {  // Pinned SSL certificate is enabled.
1258                     // Set the icon according to the theme.
1259                     if (MainWebViewActivity.darkTheme) {
1260                         pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_dark));
1261                     } else {
1262                         pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_enabled_light));
1263                     }
1264
1265                     // Update the visibility of the saved SSL certificate.
1266                     if (savedSslCertificateIssuedToCNameString == null) {
1267                         savedSslCertificateLinearLayout.setVisibility(View.GONE);
1268                     } else {
1269                         savedSslCertificateLinearLayout.setVisibility(View.VISIBLE);
1270                     }
1271
1272                     // Update the visibility of the current website SSL certificate.
1273                     if (currentWebsiteSslCertificate == null) {
1274                         // Hide the SSL certificate.
1275                         currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
1276
1277                         // Show the instruction.
1278                         noCurrentWebsiteCertificateTextView.setVisibility(View.VISIBLE);
1279                     } else {
1280                         // Show the SSL certificate.
1281                         currentWebsiteCertificateLinearLayout.setVisibility(View.VISIBLE);
1282
1283                         // Hide the instruction.
1284                         noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
1285                     }
1286
1287                     // Set the status of the radio buttons.
1288                     if (savedSslCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is displayed.
1289                         savedSslCertificateRadioButton.setChecked(true);
1290                         currentWebsiteCertificateRadioButton.setChecked(false);
1291                     } else if (currentWebsiteCertificateLinearLayout.getVisibility() == View.VISIBLE) {  // The saved SSL certificate is hidden but the current website SSL certificate is visible.
1292                         currentWebsiteCertificateRadioButton.setChecked(true);
1293                         savedSslCertificateRadioButton.setChecked(false);
1294                     } else {  // Neither SSL certificate is visible.
1295                         savedSslCertificateRadioButton.setChecked(false);
1296                         currentWebsiteCertificateRadioButton.setChecked(false);
1297                     }
1298                 } else {  // Pinned SSL certificate is disabled.
1299                     // Set the icon according to the theme.
1300                     if (MainWebViewActivity.darkTheme) {
1301                         pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_dark));
1302                     } else {
1303                         pinnedSslCertificateImageView.setImageDrawable(resources.getDrawable(R.drawable.ssl_certificate_disabled_light));
1304                     }
1305
1306                     // Hide the SSl certificates and instructions.
1307                     savedSslCertificateLinearLayout.setVisibility(View.GONE);
1308                     currentWebsiteCertificateLinearLayout.setVisibility(View.GONE);
1309                     noCurrentWebsiteCertificateTextView.setVisibility(View.GONE);
1310
1311                     // Uncheck the radio buttons.
1312                     savedSslCertificateRadioButton.setChecked(false);
1313                     currentWebsiteCertificateRadioButton.setChecked(false);
1314                 }
1315             }
1316         });
1317
1318         savedSslCertificateLinearLayout.setOnClickListener(new View.OnClickListener() {
1319             @Override
1320             public void onClick(View v) {
1321                 savedSslCertificateRadioButton.setChecked(true);
1322                 currentWebsiteCertificateRadioButton.setChecked(false);
1323             }
1324         });
1325
1326         savedSslCertificateRadioButton.setOnClickListener(new View.OnClickListener() {
1327             @Override
1328             public void onClick(View v) {
1329                 savedSslCertificateRadioButton.setChecked(true);
1330                 currentWebsiteCertificateRadioButton.setChecked(false);
1331             }
1332         });
1333
1334         currentWebsiteCertificateLinearLayout.setOnClickListener(new View.OnClickListener() {
1335             @Override
1336             public void onClick(View v) {
1337                 currentWebsiteCertificateRadioButton.setChecked(true);
1338                 savedSslCertificateRadioButton.setChecked(false);
1339             }
1340         });
1341
1342         currentWebsiteCertificateRadioButton.setOnClickListener(new View.OnClickListener() {
1343             @Override
1344             public void onClick(View v) {
1345                 currentWebsiteCertificateRadioButton.setChecked(true);
1346                 savedSslCertificateRadioButton.setChecked(false);
1347             }
1348         });
1349
1350         return domainSettingsView;
1351     }
1352
1353     private boolean checkDomainNameAgainstCertificate(String domainName, String certificateCommonName) {
1354         // Initialize `domainNamesMatch`.
1355         boolean domainNamesMatch = false;
1356
1357         // Check if the domains match.
1358         if (domainName.equals(certificateCommonName)) {
1359             domainNamesMatch = true;
1360         }
1361
1362         // 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`.
1363         //noinspection ConstantConditions
1364         if ((domainName != null) && (certificateCommonName != null)) {
1365             // If `domainName` starts with a wildcard, check the base domain against all the subdomains of `certificateCommonName`.
1366             if (!domainNamesMatch && domainName.startsWith("*.") && (domainName.length() > 2)) {
1367                 // Remove the initial `*.`.
1368                 String baseDomainName = domainName.substring(2);
1369
1370                 // Setup a copy of `certificateCommonName` to test subdomains.
1371                 String certificateCommonNameSubdomain = certificateCommonName;
1372
1373                 // Check all the subdomains in `certificateCommonNameSubdomain` against `baseDomainName`.
1374                 while (!domainNamesMatch && certificateCommonNameSubdomain.contains(".")) {  // Stop checking if we know that `domainNamesMatch` is `true` or if we run out of  `.`.
1375                     // Test the `certificateCommonNameSubdomain` against `baseDomainName`.
1376                     if (certificateCommonNameSubdomain.equals(baseDomainName)) {
1377                         domainNamesMatch = true;
1378                     }
1379
1380                     // Strip out the lowest subdomain of `certificateCommonNameSubdomain`.
1381                     try {
1382                         certificateCommonNameSubdomain = certificateCommonNameSubdomain.substring(certificateCommonNameSubdomain.indexOf(".") + 1);
1383                     } catch (IndexOutOfBoundsException e) {  // `certificateCommonNameSubdomain` ends with `.`.
1384                         certificateCommonNameSubdomain = "";
1385                     }
1386                 }
1387             }
1388
1389             // If `certificateCommonName` starts with a wildcard, check the base common name against all the subdomains of `domainName`.
1390             if (!domainNamesMatch && certificateCommonName.startsWith("*.") && (certificateCommonName.length() > 2)) {
1391                 // Remove the initial `*.`.
1392                 String baseCertificateCommonName = certificateCommonName.substring(2);
1393
1394                 // Setup a copy of `domainName` to test subdomains.
1395                 String domainNameSubdomain = domainName;
1396
1397                 // Check all the subdomains in `domainNameSubdomain` against `baseCertificateCommonName`.
1398                 while (!domainNamesMatch && domainNameSubdomain.contains(".") && (domainNameSubdomain.length() > 2)) {
1399                     // Test the `domainNameSubdomain` against `baseCertificateCommonName`.
1400                     if (domainNameSubdomain.equals(baseCertificateCommonName)) {
1401                         domainNamesMatch = true;
1402                     }
1403
1404                     // Strip out the lowest subdomain of `domainNameSubdomain`.
1405                     try {
1406                         domainNameSubdomain = domainNameSubdomain.substring(domainNameSubdomain.indexOf(".") + 1);
1407                     } catch (IndexOutOfBoundsException e) { // `domainNameSubdomain` ends with `.`.
1408                         domainNameSubdomain = "";
1409                     }
1410                 }
1411             }
1412
1413             // If both names start with a wildcard, check if the root of one contains the root of the other.
1414             if (!domainNamesMatch && domainName.startsWith("*.") && (domainName.length() > 2) && certificateCommonName.startsWith("*.") && (certificateCommonName.length() > 2)) {
1415                 // Remove the wildcards.
1416                 String rootDomainName = domainName.substring(2);
1417                 String rootCertificateCommonName = certificateCommonName.substring(2);
1418
1419                 // Check if one name ends with the contents of the other.  If so, there will be overlap in the their wildcard subdomains.
1420                 if (rootDomainName.endsWith(rootCertificateCommonName) || rootCertificateCommonName.endsWith(rootDomainName)) {
1421                     domainNamesMatch = true;
1422                 }
1423             }
1424         }
1425
1426         return domainNamesMatch;
1427     }
1428 }