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