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

   1 /*
   2  * Copyright © 2017 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * Huawei spinner code fix contributed 2017 Thomas Jensen <lianergoist@vongriffen.dk>.  Copyright assigned to Soren Stoutner <soren@stoutner.com>.
   5  *
   6  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
   7  *
   8  * Privacy Browser is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation, either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * Privacy Browser is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 package com.stoutner.privacybrowser.fragments;
  23
  24 import android.annotation.SuppressLint;
  25 import android.content.Context;
  26 import android.database.Cursor;
  27 import android.os.Build;
  28 import android.os.Bundle;
  29 // We have to use `android.support.v4.app.Fragment` until minimum API >= 23.  Otherwise we cannot call `getContext()`.
  30 import android.support.v4.app.Fragment;
  31 import android.view.LayoutInflater;
  32 import android.view.View;
  33 import android.view.ViewGroup;
  34 import android.webkit.WebView;
  35 import android.widget.AdapterView;
  36 import android.widget.ArrayAdapter;
  37 import android.widget.CompoundButton;
  38 import android.widget.EditText;
  39 import android.widget.ImageView;
  40 import android.widget.LinearLayout;
  41 import android.widget.Spinner;
  42 import android.widget.Switch;
  43 import android.widget.TextView;
  44
  45 import com.stoutner.privacybrowser.R;
  46 import com.stoutner.privacybrowser.activities.MainWebViewActivity;
  47 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
  48
  49 public class DomainSettingsFragment extends Fragment {
  50     // `DATABASE_ID` is used by activities calling this fragment.
  51     public static final String DATABASE_ID = "database_id";
  52
  53     // `databaseId` is used in `onCreate()` and `onCreateView()`.
  54     private int databaseId;
  55
  56     @Override
  57     public void onCreate(Bundle savedInstanceState) {
  58         super.onCreate(savedInstanceState);
  59
  60         // Store the database id in `databaseId`.
  61         databaseId = getArguments().getInt(DATABASE_ID);
  62     }
  63
  64     // We have to use the deprecated `getDrawable()` until the minimum API >= 21.
  65     @SuppressWarnings("deprecation")
  66     @Override
  67     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  68         // Inflate `domain_settings`.  `false` does not attach it to the root `container`.
  69         View domainSettingsView = inflater.inflate(R.layout.domain_settings, container, false);
  70
  71         // Get a handle for the `Context`.
  72         Context context = getContext();
  73
  74         // Get handles for the views in the fragment.
  75         EditText domainNameEditText = (EditText) domainSettingsView.findViewById(R.id.domain_settings_name_edittext);
  76         Switch javaScriptEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_javascript_switch);
  77         final ImageView javaScriptImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_javascript_imageview);
  78         Switch firstPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_switch);
  79         final ImageView firstPartyCookiesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_imageview);
  80         LinearLayout thirdPartyCookiesLinearLayout = (LinearLayout) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_linearlayout);
  81         final Switch thirdPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_switch);
  82         final ImageView thirdPartyCookiesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_imageview);
  83         final Switch domStorageEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_dom_storage_switch);
  84         final ImageView domStorageImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_dom_storage_imageview);
  85         Switch formDataEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_form_data_switch);
  86         final ImageView formDataImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_form_data_imageview);
  87         Spinner userAgentSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_user_agent_spinner);
  88         final TextView userAgentTextView = (TextView) domainSettingsView.findViewById(R.id.domain_settings_user_agent_textview);
  89         final EditText customUserAgentEditText = (EditText) domainSettingsView.findViewById(R.id.domain_settings_custom_user_agent_edittext);
  90         Spinner fontSizeSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_font_size_spinner);
  91         final ImageView displayWebpageImagesImageView = (ImageView) domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_imageview);
  92         Spinner displayWebpageImagesSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_display_webpage_images_spinner);
  93
  94         // Initialize the database handler.  `this` specifies the context.  The two `nulls` do not specify the database name or a `CursorFactory`.
  95         // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
  96         DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(getContext(), null, null, 0);
  97
  98         // Get the database `Cursor` for this ID and move it to the first row.
  99         Cursor domainCursor = domainsDatabaseHelper.getCursorForId(databaseId);
 100         domainCursor.moveToFirst();
 101
 102         // Save the `Cursor` entries as variables.
 103         String domainNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
 104         int javaScriptEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT));
 105         int firstPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES));
 106         int thirdPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES));
 107         int domStorageEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE));
 108         int formDataEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA));
 109         final String currentUserAgentString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
 110         int fontSizeInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
 111         int displayImagesInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
 112
 113         // Create `ArrayAdapters` for the `Spinners`and their `entry values`.
 114         ArrayAdapter<CharSequence> userAgentArrayAdapter = ArrayAdapter.createFromResource(context, R.array.user_agent_entries, android.R.layout.simple_spinner_item);
 115         final ArrayAdapter<CharSequence> userAgentEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.user_agent_entry_values, android.R.layout.simple_spinner_item);
 116         ArrayAdapter<CharSequence> fontSizeArrayAdapter = ArrayAdapter.createFromResource(context, R.array.default_font_size_entries, android.R.layout.simple_spinner_item);
 117         ArrayAdapter<CharSequence> fontSizeEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.default_font_size_entry_values, android.R.layout.simple_spinner_item);
 118         final ArrayAdapter<CharSequence> displayImagesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.display_website_images_array, android.R.layout.simple_spinner_item);
 119
 120         // Some phones running Huawei's customized Android 7.0 have layout problems displaying a spinner with the default `simple_spinner_dropdown_item`.  The Huawei P9 Lite is known to be affected.
 121         if (Build.BRAND.equals("HUAWEI") && (Build.VERSION.SDK_INT == 24)) {  // The device is manufactured by Huawei and is running Android 7.0.
 122             // Use a customized `simple_spinner_dropdown_item`.  Huawei spinner code fix contributed 2017 Thomas Jensen <lianergoist@vongriffen.dk>.  Copyright assigned to Soren Stoutner <soren@stoutner.com>.
 123             userAgentArrayAdapter.setDropDownViewResource(R.layout.simple_spinner_dropdown_item_huawei_fix);
 124             fontSizeArrayAdapter.setDropDownViewResource(R.layout.simple_spinner_dropdown_item_huawei_fix);
 125             displayImagesArrayAdapter.setDropDownViewResource(R.layout.simple_spinner_dropdown_item_huawei_fix);
 126         } else {  // Use the standard `android.R.layout.simple_spinner_dropdown_item` on all other devices.
 127             userAgentArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 128             fontSizeArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 129             displayImagesArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 130         }
 131
 132         // Set the `ArrayAdapters` for the `Spinners`.
 133         userAgentSpinner.setAdapter(userAgentArrayAdapter);
 134         fontSizeSpinner.setAdapter(fontSizeArrayAdapter);
 135         displayWebpageImagesSpinner.setAdapter(displayImagesArrayAdapter);
 136
 137         // Set the domain name from the the database cursor.
 138         domainNameEditText.setText(domainNameString);
 139
 140         // Set the JavaScript status.
 141         if (javaScriptEnabledInt == 1) {  // JavaScript is enabled.
 142             javaScriptEnabledSwitch.setChecked(true);
 143             javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.javascript_enabled));
 144         } else {  // JavaScript is disabled.
 145             javaScriptEnabledSwitch.setChecked(false);
 146             javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.privacy_mode));
 147         }
 148
 149         // Set the first-party cookies status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 150         if (firstPartyCookiesEnabledInt == 1) {  // First-party cookies are enabled.
 151             firstPartyCookiesEnabledSwitch.setChecked(true);
 152             firstPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_enabled));
 153         } else {  // First-party cookies are disabled.
 154             firstPartyCookiesEnabledSwitch.setChecked(false);
 155             firstPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_disabled_light));
 156         }
 157
 158         // Only display third-party cookies if SDK_INT >= 21.
 159         if (Build.VERSION.SDK_INT >= 21) {  // Third-party cookies can be configured for API >= 21.
 160             // Only enable third-party-cookies if first-party cookies are enabled.
 161             if (firstPartyCookiesEnabledInt == 1) {  // First-party cookies are enabled.
 162                 // Set the third-party cookies status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 163                 if (thirdPartyCookiesEnabledInt == 1) {  // Both first-party and third-party cookies are enabled.
 164                     thirdPartyCookiesEnabledSwitch.setChecked(true);
 165                     thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_warning));
 166                 } else {  // First party cookies are enabled but third-party cookies are disabled.
 167                     thirdPartyCookiesEnabledSwitch.setChecked(false);
 168                     thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_disabled_light));
 169                 }
 170             } else {  // First-party cookies are disabled.
 171                 // Set the status of third-party cookies, but disable it.
 172                 if (thirdPartyCookiesEnabledInt == 1) {  // Third-party cookies are enabled but first-party cookies are disabled.
 173                     thirdPartyCookiesEnabledSwitch.setChecked(true);
 174                     thirdPartyCookiesEnabledSwitch.setEnabled(false);
 175                     thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_ghosted_light));
 176                 } else {  // Both first party and third-party cookies are disabled.
 177                     thirdPartyCookiesEnabledSwitch.setChecked(false);
 178                     thirdPartyCookiesEnabledSwitch.setEnabled(false);
 179                     thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_ghosted_light));
 180                 }
 181             }
 182         } else {  // Third-party cookies cannot be configured for API <= 21.
 183             // Hide the `LinearLayout` for third-party cookies.
 184             thirdPartyCookiesLinearLayout.setVisibility(View.GONE);
 185         }
 186
 187         // Only enable DOM storage if JavaScript is enabled.
 188         if (javaScriptEnabledInt == 1) {  // JavaScript is enabled.
 189             // Set the DOM storage status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 190             if (domStorageEnabledInt == 1) {  // Both JavaScript and DOM storage are enabled.
 191                 domStorageEnabledSwitch.setChecked(true);
 192                 domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_enabled));
 193             } else {  // JavaScript is enabled but DOM storage is disabled.
 194                 domStorageEnabledSwitch.setChecked(false);
 195                 domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_disabled_light));
 196             }
 197         } else {  // JavaScript is disabled.
 198             // Set the checked status of DOM storage.
 199             if (domStorageEnabledInt == 1) {  // DOM storage is enabled but JavaScript is disabled.
 200                 domStorageEnabledSwitch.setChecked(true);
 201             } else {  // Both JavaScript and DOM storage are disabled.
 202                 domStorageEnabledSwitch.setChecked(false);
 203             }
 204
 205             // Disable `domStorageEnabledSwitch` and set the icon to be ghosted.
 206             domStorageEnabledSwitch.setEnabled(false);
 207             domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_ghosted_light));
 208         }
 209
 210         // Set the form data status.  Once minimum API >= 21 we can use a selector as the tint mode instead of specifying different icons.
 211         if (formDataEnabledInt == 1) {  // Form data is enabled.
 212             formDataEnabledSwitch.setChecked(true);
 213             formDataImageView.setImageDrawable(getResources().getDrawable(R.drawable.form_data_enabled));
 214         } else {  // Form data is disabled.
 215             formDataEnabledSwitch.setChecked(false);
 216             formDataImageView.setImageDrawable(getResources().getDrawable(R.drawable.form_data_disabled_light));
 217         }
 218
 219         // We need to inflated a `WebView` to get the default user agent.
 220         // `@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.
 221         @SuppressLint("InflateParams") View bareWebViewLayout = inflater.inflate(R.layout.bare_webview, null, false);
 222         WebView bareWebView = (WebView) bareWebViewLayout.findViewById(R.id.bare_webview);
 223         final String webViewDefaultUserAgentString = bareWebView.getSettings().getUserAgentString();
 224
 225         // Get the position of the user agent in `userAgentEntryValuesArrayAdapter`.
 226         int userAgentArrayPosition = userAgentEntryValuesArrayAdapter.getPosition(currentUserAgentString);
 227
 228         // Set the user agent.
 229         if (userAgentArrayPosition == -1) {  // We are using a custom `userAgentString`.
 230             // Set `userAgentSpinner` to `Custom`.
 231             userAgentSpinner.setSelection(userAgentEntryValuesArrayAdapter.getPosition("Custom user agent"));
 232
 233             // Hide `userAgentTextView`.
 234             userAgentTextView.setVisibility(View.GONE);
 235
 236             // Show `customUserAgentEditText` and set `userAgentString` as the text.
 237             customUserAgentEditText.setVisibility(View.VISIBLE);
 238             customUserAgentEditText.setText(currentUserAgentString);
 239         } else if (currentUserAgentString.equals("WebView default user agent")) {  // We are using the `WebView` default user agent.
 240             // Set the `userAgentSpinner` selection.
 241             userAgentSpinner.setSelection(userAgentArrayPosition);
 242
 243             // Show `userAgentTextView` and set the text.
 244             userAgentTextView.setVisibility(View.VISIBLE);
 245             userAgentTextView.setText(webViewDefaultUserAgentString);
 246
 247             // Hide `customUserAgentEditText`.
 248             customUserAgentEditText.setVisibility(View.GONE);
 249         } else {  // We are using a standard user agent.
 250             // Set the `userAgentSpinner` selection.
 251             userAgentSpinner.setSelection(userAgentArrayPosition);
 252
 253             // Show `userAgentTextView` and set the text.
 254             userAgentTextView.setVisibility(View.VISIBLE);
 255             userAgentTextView.setText(currentUserAgentString);
 256
 257             // Hide `customUserAgentEditText`.
 258             customUserAgentEditText.setVisibility(View.GONE);
 259         }
 260
 261         // Set the selected font size.
 262         int fontSizeArrayPosition = fontSizeEntryValuesArrayAdapter.getPosition(String.valueOf(fontSizeInt));
 263         fontSizeSpinner.setSelection(fontSizeArrayPosition);
 264
 265         // Set the selected display website images mode.
 266         displayWebpageImagesSpinner.setSelection(displayImagesInt);
 267
 268         // Set the display website images icon.
 269         switch (displayImagesInt) {
 270             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
 271                 if (MainWebViewActivity.displayWebpageImagesBoolean) {
 272                     displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_enabled_light));
 273                 } else {
 274                     displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_disabled_light));
 275                 }
 276                 break;
 277
 278             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
 279                 displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_enabled_light));
 280                 break;
 281
 282             case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
 283                 displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_disabled_light));
 284                 break;
 285         }
 286
 287
 288         // Set the `javaScriptEnabledSwitch` `OnCheckedChangeListener()`.
 289         javaScriptEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 290             @Override
 291             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 292                 if (isChecked) {  // JavaScript is enabled.
 293                     // Update the JavaScript icon.
 294                     javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.javascript_enabled));
 295
 296                     // Enable the DOM storage `Switch`.
 297                     domStorageEnabledSwitch.setEnabled(true);
 298
 299                     // Update the DOM storage icon.
 300                     if (domStorageEnabledSwitch.isChecked()) {  // DOM storage is enabled.
 301                         domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_enabled));
 302                     } else {  // DOM storage is disabled.
 303                         domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_disabled_light));
 304                     }
 305                 } else {  // JavaScript is disabled.
 306                     // Update the JavaScript icon.
 307                     javaScriptImageView.setImageDrawable(getResources().getDrawable(R.drawable.privacy_mode));
 308
 309                     // Disable the DOM storage `Switch`.
 310                     domStorageEnabledSwitch.setEnabled(false);
 311
 312                     // Set the DOM storage icon to be ghosted.
 313                     domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_ghosted_light));
 314                 }
 315             }
 316         });
 317
 318         // Set the `firstPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 319         firstPartyCookiesEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 320             @Override
 321             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 322                 if (isChecked) {  // First-party cookies are enabled.
 323                     // Update the first-party cookies icon.
 324                     firstPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_enabled));
 325
 326                     // Enable the third-party cookies `Switch`.
 327                     thirdPartyCookiesEnabledSwitch.setEnabled(true);
 328
 329                     // Update the third-party cookies icon.
 330                     if (thirdPartyCookiesEnabledSwitch.isChecked()) {  // Third-party cookies are enabled.
 331                         thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_warning));
 332                     } else {  // Third-party cookies are disabled.
 333                         thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_disabled_light));
 334                     }
 335                 } else {  // First-party cookies are disabled.
 336                     // Update the first-party cookies icon.
 337                     firstPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_disabled_light));
 338
 339                     // Disable the third-party cookies `Switch`.
 340                     thirdPartyCookiesEnabledSwitch.setEnabled(false);
 341
 342                     // Set the third-party cookies icon to be ghosted.
 343                     thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_ghosted_light));
 344                 }
 345             }
 346         });
 347
 348         // Set the `thirdPartyCookiesEnabledSwitch` `OnCheckedChangeListener()`.
 349         thirdPartyCookiesEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 350             @Override
 351             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 352                 // Update the icon.
 353                 if (isChecked) {
 354                     thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_warning));
 355                 } else {
 356                     thirdPartyCookiesImageView.setImageDrawable(getResources().getDrawable(R.drawable.cookies_disabled_light));
 357                 }
 358             }
 359         });
 360
 361         // Set the `domStorageEnabledSwitch` `OnCheckedChangeListener()`.
 362         domStorageEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 363             @Override
 364             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 365                 // Update the icon.
 366                 if (isChecked) {
 367                     domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_enabled));
 368                 } else {
 369                     domStorageImageView.setImageDrawable(getResources().getDrawable(R.drawable.dom_storage_disabled_light));
 370                 }
 371             }
 372         });
 373
 374         // Set the `formDataEnabledSwitch` `OnCheckedChangeListener()`.
 375         formDataEnabledSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 376             @Override
 377             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 378                 // Update the icon.
 379                 if (isChecked) {
 380                     formDataImageView.setImageDrawable(getResources().getDrawable(R.drawable.form_data_enabled));
 381                 } else {
 382                     formDataImageView.setImageDrawable(getResources().getDrawable(R.drawable.form_data_disabled_light));
 383                 }
 384             }
 385         });
 386
 387         // Set the `userAgentSpinner` `onItemClickListener()`.
 388         userAgentSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
 389             @Override
 390             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
 391                 // Store the new user agent string.
 392                 String newUserAgentString = getResources().getStringArray(R.array.user_agent_entry_values)[position];
 393
 394                 // Set the new user agent.
 395                 switch (newUserAgentString) {
 396                     case "Custom user agent":
 397                         // Hide `userAgentTextView`.
 398                         userAgentTextView.setVisibility(View.GONE);
 399
 400                         // Show `customUserAgentEditText` and set `userAgentString` as the text.
 401                         customUserAgentEditText.setVisibility(View.VISIBLE);
 402                         customUserAgentEditText.setText(currentUserAgentString);
 403                         break;
 404
 405                     case "WebView default user agent":
 406                         // Show `userAgentTextView` and set the text.
 407                         userAgentTextView.setVisibility(View.VISIBLE);
 408                         userAgentTextView.setText(webViewDefaultUserAgentString);
 409
 410                         // Hide `customUserAgentEditText`.
 411                         customUserAgentEditText.setVisibility(View.GONE);
 412                         break;
 413
 414                     default:
 415                         // Show `userAgentTextView` and set the text.
 416                         userAgentTextView.setVisibility(View.VISIBLE);
 417                         userAgentTextView.setText(getResources().getStringArray(R.array.user_agent_entry_values)[position]);
 418
 419                         // Hide `customUserAgentEditText`.
 420                         customUserAgentEditText.setVisibility(View.GONE);
 421                         break;
 422                 }
 423             }
 424
 425             @Override
 426             public void onNothingSelected(AdapterView<?> parent) {
 427                 // Do nothing.
 428             }
 429         });
 430
 431         // Set the `displayImagesSwitch` `onItemClickListener()`.
 432         displayWebpageImagesSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
 433             @Override
 434             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
 435                 // Update the icon.
 436                 switch (position) {
 437                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
 438                         if (MainWebViewActivity.displayWebpageImagesBoolean) {
 439                             displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_enabled_light));
 440                         } else {
 441                             displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_disabled_light));
 442                         }
 443                         break;
 444
 445                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
 446                         displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_enabled_light));
 447                         break;
 448
 449                     case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
 450                         displayWebpageImagesImageView.setImageDrawable(getResources().getDrawable(R.drawable.images_disabled_light));
 451                         break;
 452                 }
 453             }
 454
 455             @Override
 456             public void onNothingSelected(AdapterView<?> parent) {
 457                 // Do nothing.
 458             }
 459         });
 460
 461         return domainSettingsView;
 462     }
 463 }