app/src/main/java/com/stoutner/privacybrowser/activities/DomainsActivity.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.activities;
  21
  22 import android.content.Context;
  23 import android.database.Cursor;
  24 import android.net.http.SslCertificate;
  25 import android.os.Bundle;
  26 import android.os.Handler;
  27 import android.support.design.widget.FloatingActionButton;
  28 import android.support.design.widget.Snackbar;
  29 import android.support.v4.app.FragmentManager;
  30 import android.support.v4.app.NavUtils;
  31 import android.support.v7.app.ActionBar;
  32 import android.support.v7.app.AppCompatActivity;
  33 import android.support.v7.app.AppCompatDialogFragment;
  34 import android.support.v7.widget.Toolbar;
  35 import android.view.Menu;
  36 import android.view.MenuItem;
  37 import android.view.View;
  38 import android.view.ViewGroup;
  39 import android.widget.CursorAdapter;
  40 import android.widget.EditText;
  41 import android.widget.ListView;
  42 import android.widget.RadioButton;
  43 import android.widget.Spinner;
  44 import android.widget.Switch;
  45 import android.widget.TextView;
  46
  47 import com.stoutner.privacybrowser.R;
  48 import com.stoutner.privacybrowser.dialogs.AddDomainDialog;
  49 import com.stoutner.privacybrowser.fragments.DomainSettingsFragment;
  50 import com.stoutner.privacybrowser.fragments.DomainsListFragment;
  51 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
  52
  53 public class DomainsActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener {
  54     // `twoPanedMode` is public static so it can be accessed from `DomainsListFragment`.  It is also used in `onCreate()`, `onCreateOptionsMenu()`, and `populateDomainsListView()`.
  55     public static boolean twoPanedMode;
  56
  57     // `databaseId` is public static so it can be accessed from `DomainsListFragment`.  It is also used in `onCreateOptionsMenu()`, `saveDomainSettings()` and `populateDomainsListView()`.
  58     public static int currentDomainDatabaseId;
  59
  60     // `deleteMenuItem` is public static so it can be accessed from `DomainsListFragment`.  It is also used in `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `onBackPressed()`.
  61     public static MenuItem deleteMenuItem;
  62
  63     // `undoDeleteSnackbar` is public static so it can be accessed from `DomainsListFragment`.  It is also used in `onOptionsItemSelected()`.
  64     public static Snackbar undoDeleteSnackbar;
  65
  66     // `dismissingSnackbar` is public static so it can be accessed from `DomainsListFragment`.  It is also used in `onOptionsItemSelected()`.
  67     public static boolean dismissingSnackbar;
  68
  69     // `context` is used in `onCreate()`, `onOptionsItemSelected()`, and `onAddDomain()`.
  70     private Context context;
  71
  72     // `supportFragmentManager` is used in `onCreate()` and `onCreateOptionsMenu()`.
  73     private FragmentManager supportFragmentManager;
  74
  75     // `domainsDatabaseHelper` is used in `onCreate()` and `saveDomainSettings()`.
  76     private static DomainsDatabaseHelper domainsDatabaseHelper;
  77
  78     // `domainsListView` is used in `onCreate()` and `populateDomainsList()`.
  79     private ListView domainsListView;
  80
  81     // `addDomainFAB` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `onBackPressed()`.
  82     private FloatingActionButton addDomainFAB;
  83
  84     // `deletedDomainPosition` is used in an inner and outer class in `onOptionsItemSelected()`.
  85     private int deletedDomainPosition;
  86
  87     // `restartAfterRotate` is used in `onCreate()` and `onCreateOptionsMenu()`.
  88     private boolean restartAfterRotate;
  89
  90     // `domainSettingsDisplayedBeforeRotate` is used in `onCreate()` and `onCreateOptionsMenu()`.
  91     private boolean domainSettingsDisplayedBeforeRotate;
  92
  93     // `domainSettingsDatabaseIdBeforeRotate` is used in `onCreate()` and `onCreateOptionsMenu()`.
  94     private int domainSettingsDatabaseIdBeforeRotate;
  95
  96     @Override
  97     protected void onCreate(Bundle savedInstanceState) {
  98         // Set the activity theme.
  99         if (MainWebViewActivity.darkTheme) {
 100             setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
 101         } else {
 102             setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
 103         }
 104
 105         // Run the default commands.
 106         super.onCreate(savedInstanceState);
 107
 108         // Extract the values from `savedInstanceState` if it is not `null`.
 109         if (savedInstanceState != null) {
 110             restartAfterRotate = true;
 111             domainSettingsDisplayedBeforeRotate = savedInstanceState.getBoolean("domainSettingsDisplayed");
 112             domainSettingsDatabaseIdBeforeRotate = savedInstanceState.getInt("domainSettingsDatabaseId");
 113         }
 114
 115         // Set the content view.
 116         setContentView(R.layout.domains_coordinatorlayout);
 117
 118         // Get a handle for the context.
 119         context = this;
 120
 121         // Get a handle for the fragment manager.
 122         supportFragmentManager = getSupportFragmentManager();
 123
 124         // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
 125         final Toolbar domainsAppBar = (Toolbar) findViewById(R.id.domains_toolbar);
 126         setSupportActionBar(domainsAppBar);
 127
 128         // Display the home arrow on `SupportActionBar`.
 129         ActionBar appBar = getSupportActionBar();
 130         assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that `appBar` might be null.
 131         appBar.setDisplayHomeAsUpEnabled(true);
 132
 133         // 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`.
 134         domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0);
 135
 136         // Determine if we are in two pane mode.  `domain_settings_fragment_container` does not exist on devices with a width less than 900dp.
 137         twoPanedMode = (findViewById(R.id.domain_settings_fragment_container) != null);
 138
 139         // Configure `addDomainFAB`.
 140         addDomainFAB = (FloatingActionButton) findViewById(R.id.add_domain_fab);
 141         addDomainFAB.setOnClickListener(new View.OnClickListener() {
 142             @Override
 143             public void onClick(View view) {
 144                 // Show the `AddDomainDialog` `AlertDialog` and name the instance `@string/add_domain`.
 145                 AppCompatDialogFragment addDomainDialog = new AddDomainDialog();
 146                 addDomainDialog.show(supportFragmentManager, getResources().getString(R.string.add_domain));
 147             }
 148         });
 149     }
 150
 151     @Override
 152     public boolean onCreateOptionsMenu(Menu menu) {
 153         // Inflate the menu.
 154         getMenuInflater().inflate(R.menu.domains_options_menu, menu);
 155
 156         // Store `deleteMenuItem` for future use.
 157         deleteMenuItem = menu.findItem(R.id.delete_domain);
 158
 159         // Only display `deleteMenuItem` (initially) in two-paned mode.
 160         deleteMenuItem.setVisible(twoPanedMode);
 161
 162         // Display the fragments.  This must be done from `onCreateOptionsMenu()` instead of `onCreate()` because `populateDomainsListView()` needs `deleteMenuItem` to be inflated.
 163         if (restartAfterRotate && !twoPanedMode && domainSettingsDisplayedBeforeRotate) {  // The device was rotated, the new configuration is in single-paned mode, and domain settings were displayed previously.
 164             // Reset `restartAfterRotate`.
 165             restartAfterRotate = false;
 166
 167             // Store `currentDomainDatabaseId`.
 168             currentDomainDatabaseId = domainSettingsDatabaseIdBeforeRotate;
 169
 170             // Add `currentDomainDatabaseId` to `argumentsBundle`.
 171             Bundle argumentsBundle = new Bundle();
 172             argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId);
 173
 174             // Add `argumentsBundle` to `domainSettingsFragment`.
 175             DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
 176             domainSettingsFragment.setArguments(argumentsBundle);
 177
 178             // Show `deleteMenuItem`.
 179             deleteMenuItem.setVisible(true);
 180
 181             // Hide `add_domain_fab`.
 182             addDomainFAB.setVisibility(View.GONE);
 183
 184             // Display `domainSettingsFragment`.
 185             supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
 186         } else if (restartAfterRotate && twoPanedMode && domainSettingsDisplayedBeforeRotate) {  // The device was rotated, the new configuration is in two-paned mode, and domain settings were displayed previously.
 187             // Reset `restartAfterRotate`.
 188             restartAfterRotate = false;
 189
 190             // Display `DomainsListFragment`.
 191             DomainsListFragment domainsListFragment = new DomainsListFragment();
 192             supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
 193             supportFragmentManager.executePendingTransactions();
 194
 195             // Populate the list of domains.  `domainSettingsDatabaseId` highlights the domain that was highlighted before the rotation.
 196             populateDomainsListView(domainSettingsDatabaseIdBeforeRotate);
 197         } else {  // The device was not rotated or, if it was, domain settings were not displayed previously.
 198             // Display `DomainsListFragment`.
 199             DomainsListFragment domainsListFragment = new DomainsListFragment();
 200             supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
 201             supportFragmentManager.executePendingTransactions();
 202
 203             // Populate the list of domains.  `-1` highlights the first domain.
 204             populateDomainsListView(-1);
 205         }
 206
 207         // Success!
 208         return true;
 209     }
 210
 211     @Override
 212     public boolean onOptionsItemSelected(MenuItem menuItem) {
 213         // Get the ID of the `MenuItem` that was selected.
 214         int menuItemID = menuItem.getItemId();
 215
 216         switch (menuItemID) {
 217             case android.R.id.home:  // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
 218                 if (twoPanedMode) {  // The device is in two-paned mode.
 219                     // Save the current domain settings if the domain settings fragment is displayed.
 220                     if (findViewById(R.id.domain_settings_scrollview) != null) {
 221                         saveDomainSettings();
 222                     }
 223
 224                     // Go home.
 225                     NavUtils.navigateUpFromSameTask(this);
 226                 } else if (findViewById(R.id.domain_settings_scrollview) != null) {  // The device is in single-paned mode and `DomainSettingsFragment` is displayed.
 227                     // Save the current domain settings.
 228                     saveDomainSettings();
 229
 230                     // Display `DomainsListFragment`.
 231                     DomainsListFragment domainsListFragment = new DomainsListFragment();
 232                     supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
 233                     supportFragmentManager.executePendingTransactions();
 234
 235                     // Populate the list of domains.  `-1` highlights the first domain if in two-paned mode.  It has no effect in single-paned mode.
 236                     populateDomainsListView(-1);
 237
 238                     // Display `addDomainFAB`.
 239                     addDomainFAB.setVisibility(View.VISIBLE);
 240
 241                     // Hide `deleteMenuItem`.
 242                     deleteMenuItem.setVisible(false);
 243                 } else {  // The device is in single-paned mode and `DomainsListFragment` is displayed.
 244                     // Go home.
 245                     NavUtils.navigateUpFromSameTask(this);
 246                 }
 247                 break;
 248
 249             case R.id.delete_domain:
 250                 // Store a copy of `currentDomainDatabaseId` because it could change while the `Snackbar` is displayed.
 251                 final int databaseIdToDelete = currentDomainDatabaseId;
 252
 253                 // Update the fragments and menu items.
 254                 if (twoPanedMode) {  // Two-paned mode.
 255                     // Store the deleted domain position, which is needed if `Undo` is selected in the `Snackbar`.
 256                     deletedDomainPosition = domainsListView.getCheckedItemPosition();
 257
 258                     // Disable the options `MenuItems`.
 259                     deleteMenuItem.setEnabled(false);
 260                     deleteMenuItem.setIcon(R.drawable.delete_blue);
 261
 262                     // Remove the domain settings fragment.
 263                     supportFragmentManager.beginTransaction().remove(supportFragmentManager.findFragmentById(R.id.domain_settings_fragment_container)).commit();
 264                 } else {  // Single-paned mode.
 265                     // Display `DomainsListFragment`.
 266                     DomainsListFragment domainsListFragment = new DomainsListFragment();
 267                     supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
 268                     supportFragmentManager.executePendingTransactions();
 269
 270                     // Display `addDomainFAB`.
 271                     addDomainFAB.setVisibility(View.VISIBLE);
 272
 273                     // Hide `deleteMenuItem`.
 274                     deleteMenuItem.setVisible(false);
 275                 }
 276
 277                 // Get a `Cursor` that does not show the domain to be deleted.
 278                 Cursor domainsPendingDeleteCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomainExcept(databaseIdToDelete);
 279
 280                 // Setup `domainsPendingDeleteCursorAdapter` with `this` context.  `false` disables `autoRequery`.
 281                 CursorAdapter domainsPendingDeleteCursorAdapter = new CursorAdapter(this, domainsPendingDeleteCursor, false) {
 282                     @Override
 283                     public View newView(Context context, Cursor cursor, ViewGroup parent) {
 284                         // Inflate the individual item layout.  `false` does not attach it to the root.
 285                         return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
 286                     }
 287
 288                     @Override
 289                     public void bindView(View view, Context context, Cursor cursor) {
 290                         // Set the domain name.
 291                         String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
 292                         TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview);
 293                         domainNameTextView.setText(domainNameString);
 294                     }
 295                 };
 296
 297                 // Update the handle for the current `domains_listview`.
 298                 domainsListView = (ListView) findViewById(R.id.domains_listview);
 299
 300                 // Update the `ListView`.
 301                 domainsListView.setAdapter(domainsPendingDeleteCursorAdapter);
 302
 303                 // Display a `Snackbar`.
 304                 undoDeleteSnackbar = Snackbar.make(domainsListView, R.string.domain_deleted, Snackbar.LENGTH_LONG)
 305                         .setAction(R.string.undo, new View.OnClickListener() {
 306                             @Override
 307                             public void onClick(View v) {
 308                                 // Do nothing because everything will be handled by `onDismissed()` below.
 309                             }
 310                         })
 311                         .addCallback(new Snackbar.Callback() {
 312                             @Override
 313                             public void onDismissed(Snackbar snackbar, int event) {
 314                                 switch (event) {
 315                                     // The user pushed the `Undo` button.
 316                                     case Snackbar.Callback.DISMISS_EVENT_ACTION:
 317                                         // Store `databaseId` in `argumentsBundle`.
 318                                         Bundle argumentsBundle = new Bundle();
 319                                         argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, databaseIdToDelete);
 320
 321                                         // Add `argumentsBundle` to `domainSettingsFragment`.
 322                                         DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
 323                                         domainSettingsFragment.setArguments(argumentsBundle);
 324
 325                                         // Display the correct fragments.
 326                                         if (twoPanedMode) {  // The device in in two-paned mode.
 327                                             // Get a `Cursor` with the current contents of the domains database.
 328                                             Cursor undoDeleteDomainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
 329
 330                                             // Setup `domainsCursorAdapter` with `this` context.  `false` disables `autoRequery`.
 331                                             CursorAdapter undoDeleteDomainsCursorAdapter = new CursorAdapter(context, undoDeleteDomainsCursor, false) {
 332                                                 @Override
 333                                                 public View newView(Context context, Cursor cursor, ViewGroup parent) {
 334                                                     // Inflate the individual item layout.  `false` does not attach it to the root.
 335                                                     return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
 336                                                 }
 337
 338                                                 @Override
 339                                                 public void bindView(View view, Context context, Cursor cursor) {
 340                                                     // Set the domain name.
 341                                                     String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
 342                                                     TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview);
 343                                                     domainNameTextView.setText(domainNameString);
 344                                                 }
 345                                             };
 346
 347                                             // Update the `ListView`.
 348                                             domainsListView.setAdapter(undoDeleteDomainsCursorAdapter);
 349                                             // Select the previously deleted domain in `domainsListView`.
 350                                             domainsListView.setItemChecked(deletedDomainPosition, true);
 351
 352                                             // Display `domainSettingsFragment`.
 353                                             supportFragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit();
 354
 355                                             // Enable the options `MenuItems`.
 356                                             deleteMenuItem.setEnabled(true);
 357                                             deleteMenuItem.setIcon(R.drawable.delete_light);
 358                                         } else {  // The device in in one-paned mode.
 359                                             // Display `domainSettingsFragment`.
 360                                             supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
 361
 362                                             // Hide `add_domain_fab`.
 363                                             FloatingActionButton addDomainFAB = (FloatingActionButton) findViewById(R.id.add_domain_fab);
 364                                             addDomainFAB.setVisibility(View.GONE);
 365
 366                                             // Show and enable `deleteMenuItem`.
 367                                             deleteMenuItem.setVisible(true);
 368
 369                                             // Display `domainSettingsFragment`.
 370                                             supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
 371                                         }
 372                                         break;
 373
 374                                     // The `Snackbar` was dismissed without the `Undo` button being pushed.
 375                                     default:
 376                                         // Delete the selected domain.
 377                                         domainsDatabaseHelper.deleteDomain(databaseIdToDelete);
 378
 379                                         // enable `deleteMenuItem` if the system was waiting for a `Snackbar` to be dismissed.
 380                                         if (DomainsActivity.dismissingSnackbar) {
 381                                             // Create a `Runnable` to enable the delete menu item.
 382                                             Runnable enableDeleteMenuItemRunnable = new Runnable() {
 383                                                 @Override
 384                                                 public void run() {
 385                                                     // Enable `deleteMenuItem` according to the display mode.
 386                                                     if (twoPanedMode) {  // Two-paned mode.
 387                                                         // Enable `deleteMenuItem`.
 388                                                         deleteMenuItem.setEnabled(true);
 389
 390                                                         // Set the delete icon according to the theme.
 391                                                         if (MainWebViewActivity.darkTheme) {
 392                                                             deleteMenuItem.setIcon(R.drawable.delete_dark);
 393                                                         } else {
 394                                                             deleteMenuItem.setIcon(R.drawable.delete_light);
 395                                                         }
 396                                                     } else {  // Single-paned mode.
 397                                                         // Show `deleteMenuItem`.
 398                                                         deleteMenuItem.setVisible(true);
 399                                                     }
 400
 401                                                     // Reset `dismissingSnackbar`.
 402                                                     dismissingSnackbar = false;
 403                                                 }
 404                                             };
 405
 406                                             // Run `enableDeleteMenuItemRunnable` after 100 milliseconds to make sure that the previous domain has been deleted from the database.
 407                                             Handler handler = new Handler();
 408                                             handler.postDelayed(enableDeleteMenuItemRunnable, 100);
 409                                         }
 410                                         break;
 411                                 }
 412                             }
 413                         });
 414                 undoDeleteSnackbar.show();
 415                 break;
 416         }
 417
 418         // Consume the event.
 419         return true;
 420     }
 421
 422     @Override
 423     protected void onSaveInstanceState(Bundle outState) {
 424         // Store the current `DomainSettingsFragment` state in `outState`.
 425         if (findViewById(R.id.domain_settings_scrollview) != null) {  // `DomainSettingsFragment` is displayed.
 426             // Save any changes that have been made to the domain settings.
 427             saveDomainSettings();
 428
 429             // Store `DomainSettingsDisplayed`.
 430             outState.putBoolean("domainSettingsDisplayed", true);
 431             outState.putInt("domainSettingsDatabaseId", DomainSettingsFragment.databaseId);
 432         } else {  // `DomainSettingsFragment` is not displayed.
 433             outState.putBoolean("domainSettingsDisplayed", false);
 434             outState.putInt("domainSettingsDatabaseId", -1);
 435         }
 436
 437         super.onSaveInstanceState(outState);
 438     }
 439
 440     // Control what the navigation bar back button does.
 441     @Override
 442     public void onBackPressed() {
 443         if (twoPanedMode) {  // The device is in two-paned mode.
 444             // Save the current domain settings if the domain settings fragment is displayed.
 445             if (findViewById(R.id.domain_settings_scrollview) != null) {
 446                 saveDomainSettings();
 447             }
 448
 449             // Go home.
 450             NavUtils.navigateUpFromSameTask(this);
 451         } else if (findViewById(R.id.domain_settings_scrollview) != null) {  // The device is in single-paned mode and `DomainSettingsFragment` is displayed.
 452             // Save the current domain settings.
 453             saveDomainSettings();
 454
 455             // Display `DomainsListFragment`.
 456             DomainsListFragment domainsListFragment = new DomainsListFragment();
 457             supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
 458             supportFragmentManager.executePendingTransactions();
 459
 460             // Populate the list of domains.  `-1` highlights the first domain if in two-paned mode.  It has no effect in single-paned mode.
 461             populateDomainsListView(-1);
 462
 463             // Display `addDomainFAB`.
 464             addDomainFAB.setVisibility(View.VISIBLE);
 465
 466             // Hide `deleteMenuItem`.
 467             deleteMenuItem.setVisible(false);
 468         } else {  // The device is in single-paned mode and `DomainsListFragment` is displayed.
 469             // Pass `onBackPressed()` to the system.
 470             super.onBackPressed();
 471         }
 472     }
 473
 474     @Override
 475     public void onAddDomain(AppCompatDialogFragment dialogFragment) {
 476         // Dismiss `undoDeleteSnackbar` if it is currently displayed.
 477         if ((undoDeleteSnackbar != null) && (undoDeleteSnackbar.isShown())) {
 478             undoDeleteSnackbar.dismiss();
 479         }
 480
 481         // Get the `domainNameEditText` from `dialogFragment` and extract the string.
 482         EditText domainNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.domain_name_edittext);
 483         String domainNameString = domainNameEditText.getText().toString();
 484
 485         // Create the domain and store the database ID in `currentDomainDatabaseId`.
 486         currentDomainDatabaseId = domainsDatabaseHelper.addDomain(domainNameString);
 487
 488         // Display the newly created domain.
 489         if (twoPanedMode) {  // The device in in two-paned mode.
 490             populateDomainsListView(currentDomainDatabaseId);
 491         } else {  // The device is in single-paned mode.
 492             // Hide `add_domain_fab`.
 493             addDomainFAB.setVisibility(View.GONE);
 494
 495             // Show and enable `deleteMenuItem`.
 496             DomainsActivity.deleteMenuItem.setVisible(true);
 497
 498             // Add `currentDomainDatabaseId` to `argumentsBundle`.
 499             Bundle argumentsBundle = new Bundle();
 500             argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId);
 501
 502             // Add `argumentsBundle` to `domainSettingsFragment`.
 503             DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
 504             domainSettingsFragment.setArguments(argumentsBundle);
 505
 506             // Display `domainSettingsFragment`.
 507             supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
 508         }
 509     }
 510
 511     private void saveDomainSettings() {
 512         // Get handles for the domain settings.
 513         EditText domainNameEditText = (EditText) findViewById(R.id.domain_settings_name_edittext);
 514         Switch javaScriptEnabledSwitch = (Switch) findViewById(R.id.domain_settings_javascript_switch);
 515         Switch firstPartyCookiesEnabledSwitch = (Switch) findViewById(R.id.domain_settings_first_party_cookies_switch);
 516         Switch thirdPartyCookiesEnabledSwitch = (Switch) findViewById(R.id.domain_settings_third_party_cookies_switch);
 517         Switch domStorageEnabledSwitch = (Switch) findViewById(R.id.domain_settings_dom_storage_switch);
 518         Switch formDataEnabledSwitch = (Switch) findViewById(R.id.domain_settings_form_data_switch);
 519         Spinner userAgentSpinner = (Spinner) findViewById(R.id.domain_settings_user_agent_spinner);
 520         EditText customUserAgentEditText = (EditText) findViewById(R.id.domain_settings_custom_user_agent_edittext);
 521         Spinner fontSizeSpinner = (Spinner) findViewById(R.id.domain_settings_font_size_spinner);
 522         Spinner displayWebpageImagesSpinner = (Spinner) findViewById(R.id.domain_settings_display_webpage_images_spinner);
 523         Spinner nightModeSpinner = (Spinner) findViewById(R.id.domain_settings_night_mode_spinner);
 524         Switch pinnedSslCertificateSwitch = (Switch) findViewById(R.id.domain_settings_pinned_ssl_certificate_switch);
 525         RadioButton savedSslCertificateRadioButton = (RadioButton) findViewById(R.id.saved_ssl_certificate_radiobutton);
 526         RadioButton currentWebsiteCertificateRadioButton = (RadioButton) findViewById(R.id.current_website_certificate_radiobutton);
 527
 528         // Extract the data for the domain settings.
 529         String domainNameString = domainNameEditText.getText().toString();
 530         boolean javaScriptEnabledBoolean = javaScriptEnabledSwitch.isChecked();
 531         boolean firstPartyCookiesEnabledBoolean = firstPartyCookiesEnabledSwitch.isChecked();
 532         boolean thirdPartyCookiesEnabledBoolean = thirdPartyCookiesEnabledSwitch.isChecked();
 533         boolean domStorageEnabledEnabledBoolean  = domStorageEnabledSwitch.isChecked();
 534         boolean formDataEnabledBoolean = formDataEnabledSwitch.isChecked();
 535         int userAgentPositionInt = userAgentSpinner.getSelectedItemPosition();
 536         int fontSizePositionInt = fontSizeSpinner.getSelectedItemPosition();
 537         int displayWebpageImagesInt = displayWebpageImagesSpinner.getSelectedItemPosition();
 538         int nightModeInt = nightModeSpinner.getSelectedItemPosition();
 539         boolean pinnedSslCertificate = pinnedSslCertificateSwitch.isChecked();
 540
 541         // Get the data for the `Spinners` from the entry values string arrays.
 542         String userAgentString = getResources().getStringArray(R.array.domain_settings_user_agent_entry_values)[userAgentPositionInt];
 543         int fontSizeInt = Integer.parseInt(getResources().getStringArray(R.array.domain_settings_font_size_entry_values)[fontSizePositionInt]);
 544
 545         // Check to see if we are using a custom user agent.
 546         if (userAgentString.equals("Custom user agent")) {
 547             // Set `userAgentString` to the custom user agent string.
 548             userAgentString = customUserAgentEditText.getText().toString();
 549         }
 550
 551         // Save the domain settings.
 552         if (savedSslCertificateRadioButton.isChecked()) {  // The current certificate is being used.
 553             // Update the database except for the certificate.
 554             domainsDatabaseHelper.updateDomainExceptCertificate(DomainsActivity.currentDomainDatabaseId, domainNameString, javaScriptEnabledBoolean, firstPartyCookiesEnabledBoolean, thirdPartyCookiesEnabledBoolean, domStorageEnabledEnabledBoolean,
 555                     formDataEnabledBoolean, userAgentString, fontSizeInt, displayWebpageImagesInt, nightModeInt, pinnedSslCertificate);
 556         } else if (currentWebsiteCertificateRadioButton.isChecked()) {  // The certificate is being updated with the current website certificate.
 557             // Get the current website SSL certificate.
 558             SslCertificate currentWebsiteSslCertificate = MainWebViewActivity.sslCertificate;
 559
 560             // Store the values from the SSL certificate.
 561             String issuedToCommonName = currentWebsiteSslCertificate.getIssuedTo().getCName();
 562             String issuedToOrganization = currentWebsiteSslCertificate.getIssuedTo().getOName();
 563             String issuedToOrganizationalUnit = currentWebsiteSslCertificate.getIssuedTo().getUName();
 564             String issuedByCommonName = currentWebsiteSslCertificate.getIssuedBy().getCName();
 565             String issuedByOrganization = currentWebsiteSslCertificate.getIssuedBy().getOName();
 566             String issuedByOrganizationalUnit = currentWebsiteSslCertificate.getIssuedBy().getUName();
 567             long startDateLong = currentWebsiteSslCertificate.getValidNotBeforeDate().getTime();
 568             long endDateLong = currentWebsiteSslCertificate.getValidNotAfterDate().getTime();
 569
 570             // Update the database.
 571             domainsDatabaseHelper.updateDomainWithCertificate(currentDomainDatabaseId, domainNameString, javaScriptEnabledBoolean, firstPartyCookiesEnabledBoolean, thirdPartyCookiesEnabledBoolean, domStorageEnabledEnabledBoolean, formDataEnabledBoolean,
 572                     userAgentString, fontSizeInt, displayWebpageImagesInt, nightModeInt, pinnedSslCertificate, issuedToCommonName, issuedToOrganization, issuedToOrganizationalUnit, issuedByCommonName, issuedByOrganization, issuedByOrganizationalUnit,
 573                     startDateLong, endDateLong);
 574         } else {  // No certificate is selected.
 575             // Update the database, with PINNED_SSL_CERTIFICATE set to false.
 576             domainsDatabaseHelper.updateDomainExceptCertificate(currentDomainDatabaseId, domainNameString, javaScriptEnabledBoolean, firstPartyCookiesEnabledBoolean, thirdPartyCookiesEnabledBoolean, domStorageEnabledEnabledBoolean, formDataEnabledBoolean,
 577                     userAgentString, fontSizeInt, displayWebpageImagesInt, nightModeInt, false);
 578         }
 579     }
 580
 581     private void populateDomainsListView(final int highlightedDomainDatabaseId) {
 582         // get a handle for the current `domains_listview`.
 583         domainsListView = (ListView) findViewById(R.id.domains_listview);
 584
 585         // Get a `Cursor` with the current contents of the domains database.
 586         Cursor domainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
 587
 588         // Setup `domainsCursorAdapter` with `this` context.  `false` disables `autoRequery`.
 589         CursorAdapter domainsCursorAdapter = new CursorAdapter(context, domainsCursor, false) {
 590             @Override
 591             public View newView(Context context, Cursor cursor, ViewGroup parent) {
 592                 // Inflate the individual item layout.  `false` does not attach it to the root.
 593                 return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
 594             }
 595
 596             @Override
 597             public void bindView(View view, Context context, Cursor cursor) {
 598                 // Set the domain name.
 599                 String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
 600                 TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview);
 601                 domainNameTextView.setText(domainNameString);
 602             }
 603         };
 604
 605         // Update the `ListView`.
 606         domainsListView.setAdapter(domainsCursorAdapter);
 607
 608         // Display the domain settings in the second pane if operating in two pane mode and the database contains at least one domain.
 609         if (DomainsActivity.twoPanedMode && (domainsCursor.getCount() > 0)) {  // Two-paned mode is enabled and there is at least one domain.
 610             // Initialize `highlightedDomainPosition`.
 611             int highlightedDomainPosition = 0;
 612
 613             // Get the cursor position for the highlighted domain.
 614             for (int i = 0; i < domainsCursor.getCount(); i++) {
 615                 // Move to position `i` in the cursor.
 616                 domainsCursor.moveToPosition(i);
 617
 618                 // Get the database ID for this position.
 619                 int currentDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID));
 620
 621                 // Set `highlightedDomainPosition` if the database ID for this matches `highlightedDomainDatabaseId`.
 622                 if (highlightedDomainDatabaseId == currentDatabaseId) {
 623                     highlightedDomainPosition = i;
 624                 }
 625             }
 626
 627             // Select the highlighted domain.
 628             domainsListView.setItemChecked(highlightedDomainPosition, true);
 629
 630             // Get the `databaseId` for the highlighted domain.
 631             domainsCursor.moveToPosition(highlightedDomainPosition);
 632             currentDomainDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID));
 633
 634             // Store `databaseId` in `argumentsBundle`.
 635             Bundle argumentsBundle = new Bundle();
 636             argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId);
 637
 638             // Add `argumentsBundle` to `domainSettingsFragment`.
 639             DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
 640             domainSettingsFragment.setArguments(argumentsBundle);
 641
 642             // Display `domainSettingsFragment`.
 643             supportFragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit();
 644
 645             // Enable the options `MenuItems`.
 646             deleteMenuItem.setEnabled(true);
 647
 648             // Set the delete icon according to the theme.
 649             if (MainWebViewActivity.darkTheme) {
 650                 deleteMenuItem.setIcon(R.drawable.delete_dark);
 651             } else {
 652                 deleteMenuItem.setIcon(R.drawable.delete_light);
 653             }
 654         } else if (twoPanedMode) {  // Two-paned mode is enabled but there are no domains.
 655             // Disable the options `MenuItems`.
 656             deleteMenuItem.setEnabled(false);
 657             deleteMenuItem.setIcon(R.drawable.delete_blue);
 658         }
 659     }
 660 }