2 * Copyright © 2017-2020 Soren Stoutner <soren@stoutner.com>.
4 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
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.
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.
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/>.
20 package com.stoutner.privacybrowser.activities;
22 import android.app.Activity;
23 import android.content.Context;
24 import android.content.Intent;
25 import android.content.SharedPreferences;
26 import android.content.res.Configuration;
27 import android.content.res.Resources;
28 import android.database.Cursor;
29 import android.os.Bundle;
30 import android.os.Handler;
31 import android.preference.PreferenceManager;
32 import android.view.Menu;
33 import android.view.MenuItem;
34 import android.view.View;
35 import android.view.ViewGroup;
36 import android.view.WindowManager;
37 import android.widget.CursorAdapter;
38 import android.widget.EditText;
39 import android.widget.ListView;
40 import android.widget.RadioButton;
41 import android.widget.ScrollView;
42 import android.widget.Spinner;
43 import android.widget.TextView;
45 import androidx.annotation.NonNull;
46 import androidx.appcompat.app.ActionBar;
47 import androidx.appcompat.app.AppCompatActivity;
48 import androidx.appcompat.widget.SwitchCompat;
49 import androidx.appcompat.widget.Toolbar;
50 import androidx.core.app.NavUtils;
51 import androidx.fragment.app.DialogFragment;
52 import androidx.fragment.app.FragmentManager;
54 import com.google.android.material.floatingactionbutton.FloatingActionButton;
55 import com.google.android.material.snackbar.Snackbar;
57 import com.stoutner.privacybrowser.R;
58 import com.stoutner.privacybrowser.dialogs.AddDomainDialog;
59 import com.stoutner.privacybrowser.fragments.DomainSettingsFragment;
60 import com.stoutner.privacybrowser.fragments.DomainsListFragment;
61 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
63 import java.util.Objects;
65 public class DomainsActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener, DomainsListFragment.DismissSnackbarInterface {
66 // Define the public static variables.
67 public static int domainsListViewPosition;
68 public static boolean twoPanedMode;
69 public static int currentDomainDatabaseId;
70 public static MenuItem deleteMenuItem;
71 public static boolean dismissingSnackbar;
73 // The SSL certificate and IP address information are accessed from `DomainSettingsFragment` and `saveDomainSettings()`.
74 public static String sslIssuedToCName;
75 public static String sslIssuedToOName;
76 public static String sslIssuedToUName;
77 public static String sslIssuedByCName;
78 public static String sslIssuedByOName;
79 public static String sslIssuedByUName;
80 public static long sslStartDateLong;
81 public static long sslEndDateLong;
82 public static String currentIpAddresses;
85 // Initialize the class constants.
86 private final String LISTVIEW_POSITION = "listview_position";
87 private final String DOMAIN_SETTINGS_DISPLAYED = "domain_settings_displayed";
88 private final String DOMAIN_SETTINGS_DATABASE_ID = "domain_settings_database_is";
89 private final String DOMAIN_SETTINGS_SCROLL_Y = "domain_settings_scroll_y";
91 // Initialize the class variables.
92 private boolean restartAfterRotate;
93 private boolean domainSettingsDisplayedBeforeRotate;
94 private int domainSettingsDatabaseIdBeforeRotate;
95 private int domainSettingsScrollY = 0;
97 // Defile the class views.
98 private ListView domainsListView;
100 // `closeActivityAfterDismissingSnackbar` is used in `onOptionsItemSelected()`, and `onBackPressed()`.
101 private boolean closeActivityAfterDismissingSnackbar;
103 // The undelete snackbar is used in `onOptionsItemSelected()` and `onBackPressed()`.
104 private Snackbar undoDeleteSnackbar;
106 // `domainsDatabaseHelper` is used in `onCreate()`, `saveDomainSettings()`, and `onDestroy()`.
107 private static DomainsDatabaseHelper domainsDatabaseHelper;
109 // `addDomainFAB` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `onBackPressed()`.
110 private FloatingActionButton addDomainFAB;
112 // `deletedDomainPosition` is used in an inner and outer class in `onOptionsItemSelected()`.
113 private int deletedDomainPosition;
115 // `goDirectlyToDatabaseId` is used in `onCreate()` and `onCreateOptionsMenu()`.
116 private int goDirectlyToDatabaseId;
118 // `closeOnBack` is used in `onCreate()`, `onOptionsItemSelected()` and `onBackPressed()`.
119 private boolean closeOnBack;
121 // `coordinatorLayout` is use in `onCreate()`, `onOptionsItemSelected()`, and `onSaveInstanceState()`.
122 private View coordinatorLayout;
124 // `resources` is used in `onCreate()`, `onOptionsItemSelected()`, and `onSaveInstanceState()`.
125 private Resources resources;
128 protected void onCreate(Bundle savedInstanceState) {
129 // Get a handle for the shared preferences.
130 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
132 // Get the screenshot preference.
133 boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
135 // Disable screenshots if not allowed.
136 if (!allowScreenshots) {
137 getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
141 setTheme(R.style.PrivacyBrowser);
143 // Run the default commands.
144 super.onCreate(savedInstanceState);
146 // Initialize the domains listview position.
147 domainsListViewPosition = 0;
149 // Extract the values from the saved instance state if it is not null.
150 if (savedInstanceState != null) {
151 domainsListViewPosition = savedInstanceState.getInt(LISTVIEW_POSITION);
152 restartAfterRotate = true;
153 domainSettingsDisplayedBeforeRotate = savedInstanceState.getBoolean(DOMAIN_SETTINGS_DISPLAYED);
154 domainSettingsDatabaseIdBeforeRotate = savedInstanceState.getInt(DOMAIN_SETTINGS_DATABASE_ID);
155 domainSettingsScrollY = savedInstanceState.getInt(DOMAIN_SETTINGS_SCROLL_Y);
158 // Get the launching intent
159 Intent intent = getIntent();
161 // Extract the domain to load if there is one. `-1` is the default value.
162 goDirectlyToDatabaseId = intent.getIntExtra("load_domain", -1);
164 // Get the status of close-on-back, which is true when the domains activity is called from the options menu.
165 closeOnBack = intent.getBooleanExtra("close_on_back", false);
167 // Get the current URL.
168 String currentUrl = intent.getStringExtra("current_url");
170 // Store the current SSL certificate information in class variables.
171 sslIssuedToCName = intent.getStringExtra("ssl_issued_to_cname");
172 sslIssuedToOName = intent.getStringExtra("ssl_issued_to_oname");
173 sslIssuedToUName = intent.getStringExtra("ssl_issued_to_uname");
174 sslIssuedByCName = intent.getStringExtra("ssl_issued_by_cname");
175 sslIssuedByOName = intent.getStringExtra("ssl_issued_by_oname");
176 sslIssuedByUName = intent.getStringExtra("ssl_issued_by_uname");
177 sslStartDateLong = intent.getLongExtra("ssl_start_date", 0);
178 sslEndDateLong = intent.getLongExtra("ssl_end_date", 0);
179 currentIpAddresses = intent.getStringExtra("current_ip_addresses");
181 // Set the content view.
182 setContentView(R.layout.domains_coordinatorlayout);
184 // Populate the class variables.
185 coordinatorLayout = findViewById(R.id.domains_coordinatorlayout);
186 resources = getResources();
188 // `SupportActionBar` from `android.support.v7.app.ActionBar` must be used until the minimum API is >= 21.
189 final Toolbar toolbar = findViewById(R.id.domains_toolbar);
190 setSupportActionBar(toolbar);
192 // Get a handle for the action bar.
193 ActionBar actionBar = getSupportActionBar();
195 // Remove the incorrect lint warning that the action bar might be null.
196 assert actionBar != null;
198 // Set the back arrow on the action bar.
199 actionBar.setDisplayHomeAsUpEnabled(true);
201 // Initialize the database handler. The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
202 domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
204 // Determine if we are in two pane mode. `domain_settings_fragment_container` does not exist on devices with a width less than 900dp.
205 twoPanedMode = (findViewById(R.id.domain_settings_fragment_container) != null);
207 // Get a handle for the add domain floating action button.
208 addDomainFAB = findViewById(R.id.add_domain_fab);
210 // Configure the add domain floating action button.
211 addDomainFAB.setOnClickListener((View view) -> {
212 // Remove the incorrect warning below that the current URL might be null.
213 assert currentUrl != null;
215 // Create an add domain dialog.
216 DialogFragment addDomainDialog = AddDomainDialog.addDomain(currentUrl);
218 // Show the add domain dialog.
219 addDomainDialog.show(getSupportFragmentManager(), resources.getString(R.string.add_domain));
224 public boolean onCreateOptionsMenu(Menu menu) {
226 getMenuInflater().inflate(R.menu.domains_options_menu, menu);
228 // Store `deleteMenuItem` for future use.
229 deleteMenuItem = menu.findItem(R.id.delete_domain);
231 // Only display `deleteMenuItem` (initially) in two-paned mode.
232 deleteMenuItem.setVisible(twoPanedMode);
234 // Get a handle for the fragment manager.
235 FragmentManager fragmentManager = getSupportFragmentManager();
237 // Display the fragments. This must be done from `onCreateOptionsMenu()` instead of `onCreate()` because `populateDomainsListView()` needs `deleteMenuItem` to be inflated.
238 if (restartAfterRotate && domainSettingsDisplayedBeforeRotate) { // The device was rotated and domain settings were displayed previously.
239 if (twoPanedMode) { // The device is in two-paned mode.
240 // Reset `restartAfterRotate`.
241 restartAfterRotate = false;
243 // Display `DomainsListFragment`.
244 DomainsListFragment domainsListFragment = new DomainsListFragment();
245 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
246 fragmentManager.executePendingTransactions();
248 // Populate the list of domains. `domainSettingsDatabaseId` highlights the domain that was highlighted before the rotation.
249 populateDomainsListView(domainSettingsDatabaseIdBeforeRotate, domainsListViewPosition);
250 } else { // The device is in single-paned mode.
251 // Reset `restartAfterRotate`.
252 restartAfterRotate = false;
254 // Store the current domain database ID.
255 currentDomainDatabaseId = domainSettingsDatabaseIdBeforeRotate;
257 // Create an arguments bundle.
258 Bundle argumentsBundle = new Bundle();
260 // Add the domain settings arguments.
261 argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId);
262 argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY);
264 // Instantiate a new domain settings fragment.
265 DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
267 // Add the arguments bundle to the domain settings fragment.
268 domainSettingsFragment.setArguments(argumentsBundle);
270 // Show the delete menu item.
271 deleteMenuItem.setVisible(true);
273 // Hide the add domain floating action button.
276 // Display the domain settings fragment.
277 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
279 } else { // The device was not rotated or, if it was, domain settings were not displayed previously.
280 if (goDirectlyToDatabaseId >=0) { // Load the indicated domain settings.
281 // Store the current domain database ID.
282 currentDomainDatabaseId = goDirectlyToDatabaseId;
284 if (twoPanedMode) { // The device is in two-paned mode.
285 // Display `DomainsListFragment`.
286 DomainsListFragment domainsListFragment = new DomainsListFragment();
287 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
288 fragmentManager.executePendingTransactions();
290 // Populate the list of domains. `domainSettingsDatabaseId` highlights the domain that was highlighted before the rotation.
291 populateDomainsListView(goDirectlyToDatabaseId, domainsListViewPosition);
292 } else { // The device is in single-paned mode.
293 // Create an arguments bundle.
294 Bundle argumentsBundle = new Bundle();
296 // Add the domain settings to arguments bundle.
297 argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, goDirectlyToDatabaseId);
298 argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY);
300 // Instantiate a new domain settings fragment.
301 DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
303 // Add the arguments bundle to the domain settings fragment`.
304 domainSettingsFragment.setArguments(argumentsBundle);
306 // Show the delete menu item.
307 deleteMenuItem.setVisible(true);
309 // Hide the add domain floating action button.
312 // Display the domain settings fragment.
313 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
315 } else { // Highlight the first domain.
316 // Display `DomainsListFragment`.
317 DomainsListFragment domainsListFragment = new DomainsListFragment();
318 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
319 fragmentManager.executePendingTransactions();
321 // Populate the list of domains. `-1` highlights the first domain.
322 populateDomainsListView(-1, domainsListViewPosition);
331 public boolean onOptionsItemSelected(MenuItem menuItem) {
332 // Get the ID of the menu item that was selected.
333 int menuItemID = menuItem.getItemId();
335 // Get a handle for the fragment manager.
336 FragmentManager fragmentManager = getSupportFragmentManager();
338 switch (menuItemID) {
339 case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
340 if (twoPanedMode) { // The device is in two-paned mode.
341 // Save the current domain settings if the domain settings fragment is displayed.
342 if (findViewById(R.id.domain_settings_scrollview) != null) {
343 saveDomainSettings(coordinatorLayout, resources);
346 // Dismiss the undo delete `SnackBar` if it is shown.
347 if (undoDeleteSnackbar != null && undoDeleteSnackbar.isShown()) {
348 // Set the close flag.
349 closeActivityAfterDismissingSnackbar = true;
351 // Dismiss the snackbar.
352 undoDeleteSnackbar.dismiss();
355 NavUtils.navigateUpFromSameTask(this);
357 } else if (closeOnBack) { // Go directly back to the main WebView activity because the domains activity was launched from the options menu.
358 // Save the current domain settings.
359 saveDomainSettings(coordinatorLayout, resources);
362 NavUtils.navigateUpFromSameTask(this);
363 } else if (findViewById(R.id.domain_settings_scrollview) != null) { // The device is in single-paned mode and the domain settings fragment is displayed.
364 // Save the current domain settings.
365 saveDomainSettings(coordinatorLayout, resources);
367 // Display the domains list fragment.
368 DomainsListFragment domainsListFragment = new DomainsListFragment();
369 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
370 fragmentManager.executePendingTransactions();
372 // Populate the list of domains. `-1` highlights the first domain if in two-paned mode. It has no effect in single-paned mode.
373 populateDomainsListView(-1, domainsListViewPosition);
375 // Show the add domain floating action button.
378 // Hide the delete menu item.
379 deleteMenuItem.setVisible(false);
380 } else { // The device is in single-paned mode and `DomainsListFragment` is displayed.
381 // Dismiss the undo delete `SnackBar` if it is shown.
382 if (undoDeleteSnackbar != null && undoDeleteSnackbar.isShown()) {
383 // Set the close flag.
384 closeActivityAfterDismissingSnackbar = true;
386 // Dismiss the snackbar.
387 undoDeleteSnackbar.dismiss();
390 NavUtils.navigateUpFromSameTask(this);
395 case R.id.delete_domain:
396 // Reset close-on-back, which otherwise can cause errors if the system attempts to save settings for a domain that no longer exists.
399 // Store a copy of `currentDomainDatabaseId` because it could change while the `Snackbar` is displayed.
400 final int databaseIdToDelete = currentDomainDatabaseId;
402 // Update the fragments and menu items.
403 if (twoPanedMode) { // Two-paned mode.
404 // Store the deleted domain position, which is needed if `Undo` is selected in the `Snackbar`.
405 deletedDomainPosition = domainsListView.getCheckedItemPosition();
407 // Disable the options `MenuItems`.
408 deleteMenuItem.setEnabled(false);
409 deleteMenuItem.setIcon(R.drawable.delete_disabled);
411 // Remove the domain settings fragment.
412 fragmentManager.beginTransaction().remove(Objects.requireNonNull(fragmentManager.findFragmentById(R.id.domain_settings_fragment_container))).commit();
413 } else { // Single-paned mode.
414 // Display `DomainsListFragment`.
415 DomainsListFragment domainsListFragment = new DomainsListFragment();
416 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
417 fragmentManager.executePendingTransactions();
419 // Show the add domain floating action button.
422 // Hide `deleteMenuItem`.
423 deleteMenuItem.setVisible(false);
426 // Get a `Cursor` that does not show the domain to be deleted.
427 Cursor domainsPendingDeleteCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomainExcept(databaseIdToDelete);
429 // Setup `domainsPendingDeleteCursorAdapter` with `this` context. `false` disables `autoRequery`.
430 CursorAdapter domainsPendingDeleteCursorAdapter = new CursorAdapter(this, domainsPendingDeleteCursor, false) {
432 public View newView(Context context, Cursor cursor, ViewGroup parent) {
433 // Inflate the individual item layout. `false` does not attach it to the root.
434 return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
438 public void bindView(View view, Context context, Cursor cursor) {
439 // Set the domain name.
440 String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
441 TextView domainNameTextView = view.findViewById(R.id.domain_name_textview);
442 domainNameTextView.setText(domainNameString);
446 // Update the handle for the current `domains_listview`.
447 domainsListView = findViewById(R.id.domains_listview);
449 // Update the `ListView`.
450 domainsListView.setAdapter(domainsPendingDeleteCursorAdapter);
452 // Get a handle for the activity.
453 Activity activity = this;
455 // Display a snackbar.
456 undoDeleteSnackbar = Snackbar.make(domainsListView, R.string.domain_deleted, Snackbar.LENGTH_LONG)
457 .setAction(R.string.undo, (View v) -> {
458 // Do nothing because everything will be handled by `onDismissed()` below.
460 .addCallback(new Snackbar.Callback() {
462 public void onDismissed(Snackbar snackbar, int event) {
463 // Run commands based on the event.
464 if (event == Snackbar.Callback.DISMISS_EVENT_ACTION) { // The user pushed the `Undo` button.
465 // Create an arguments bundle.
466 Bundle argumentsBundle = new Bundle();
468 // Store the domains settings in the arguments bundle.
469 argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, databaseIdToDelete);
470 argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY);
472 // Instantiate a new domain settings fragment.
473 DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
475 // Add the arguments bundle to the domain settings fragment.
476 domainSettingsFragment.setArguments(argumentsBundle);
478 // Display the correct fragments.
479 if (twoPanedMode) { // The device in in two-paned mode.
480 // Get a `Cursor` with the current contents of the domains database.
481 Cursor undoDeleteDomainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
483 // Setup `domainsCursorAdapter` with `this` context. `false` disables `autoRequery`.
484 CursorAdapter undoDeleteDomainsCursorAdapter = new CursorAdapter(getApplicationContext(), undoDeleteDomainsCursor, false) {
486 public View newView(Context context, Cursor cursor, ViewGroup parent) {
487 // Inflate the individual item layout. `false` does not attach it to the root.
488 return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
492 public void bindView(View view, Context context, Cursor cursor) {
493 // Set the domain name.
494 String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
495 TextView domainNameTextView = view.findViewById(R.id.domain_name_textview);
496 domainNameTextView.setText(domainNameString);
500 // Update the domains list view.
501 domainsListView.setAdapter(undoDeleteDomainsCursorAdapter);
503 // Select the previously deleted domain in the list view.
504 domainsListView.setItemChecked(deletedDomainPosition, true);
506 // Display the domain settings fragment.
507 fragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit();
509 // Enable the options delete menu item.
510 deleteMenuItem.setEnabled(true);
512 // Get the current theme status.
513 int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
515 // Set the delete menu item icon according to the theme.
516 if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
517 deleteMenuItem.setIcon(R.drawable.delete_night);
519 deleteMenuItem.setIcon(R.drawable.delete_day);
521 } else { // The device in in one-paned mode.
522 // Display the domain settings fragment.
523 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
525 // Hide the add domain floating action button.
528 // Show and enable the delete menu item.
529 deleteMenuItem.setVisible(true);
531 // Display the domain settings fragment.
532 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
534 } else { // The snackbar was dismissed without the undo button being pushed.
535 // Delete the selected domain.
536 domainsDatabaseHelper.deleteDomain(databaseIdToDelete);
538 // Enable the delete menu item if the system was waiting for a snackbar to be dismissed.
539 if (dismissingSnackbar) {
540 // Create a `Runnable` to enable the delete menu item.
541 Runnable enableDeleteMenuItemRunnable = () -> {
542 // Enable the delete menu item according to the display mode.
543 if (twoPanedMode) { // Two-paned mode.
544 // Enable the delete menu item.
545 deleteMenuItem.setEnabled(true);
547 // Get the current theme status.
548 int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
550 // Set the delete menu item icon according to the theme.
551 if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
552 deleteMenuItem.setIcon(R.drawable.delete_night);
554 deleteMenuItem.setIcon(R.drawable.delete_day);
556 } else { // Single-paned mode.
557 // Show the delete menu item.
558 deleteMenuItem.setVisible(true);
561 // Reset the dismissing snackbar tracker.
562 dismissingSnackbar = false;
565 // Enable the delete menu icon after 100 milliseconds to make sure that the previous domain has been deleted from the database.
566 Handler handler = new Handler();
567 handler.postDelayed(enableDeleteMenuItemRunnable, 100);
570 // Close the activity if back was pressed.
571 if (closeActivityAfterDismissingSnackbar) {
573 NavUtils.navigateUpFromSameTask(activity);
579 // Show the Snackbar.
580 undoDeleteSnackbar.show();
584 // Consume the event.
589 protected void onSaveInstanceState(@NonNull Bundle savedInstanceState) {
590 // Run the default commands.
591 super.onSaveInstanceState(savedInstanceState);
593 // Get a handle for the domain settings scrollview.
594 ScrollView domainSettingsScrollView = findViewById(R.id.domain_settings_scrollview);
596 // Check to see if the domain settings scrollview exists.
597 if (domainSettingsScrollView == null) { // The domain settings are not displayed.
598 // Store the domain settings status in the bundle.
599 savedInstanceState.putBoolean(DOMAIN_SETTINGS_DISPLAYED, false);
600 savedInstanceState.putInt(DOMAIN_SETTINGS_DATABASE_ID, -1);
601 savedInstanceState.putInt(DOMAIN_SETTINGS_SCROLL_Y, 0);
602 } else { // The domain settings are displayed.
603 // Save any changes that have been made to the domain settings.
604 saveDomainSettings(coordinatorLayout, resources);
606 // Get the domain settings scroll Y.
607 int domainSettingsScrollY = domainSettingsScrollView.getScrollY();
609 // Store the domain settings status in the bundle.
610 savedInstanceState.putBoolean(DOMAIN_SETTINGS_DISPLAYED, true);
611 savedInstanceState.putInt(DOMAIN_SETTINGS_DATABASE_ID, DomainSettingsFragment.databaseId);
612 savedInstanceState.putInt(DOMAIN_SETTINGS_SCROLL_Y, domainSettingsScrollY);
615 // Check to see if the domains listview exists.
616 if (domainsListView != null) {
617 // Get the domains listview position.
618 int domainsListViewPosition = domainsListView.getFirstVisiblePosition();
620 // Store the listview position in the bundle.
621 savedInstanceState.putInt(LISTVIEW_POSITION, domainsListViewPosition);
625 // Control what the navigation bar back button does.
627 public void onBackPressed() {
628 // Get a handle for the fragment manager.
629 FragmentManager fragmentManager = getSupportFragmentManager();
631 if (twoPanedMode) { // The device is in two-paned mode.
632 // Save the current domain settings if the domain settings fragment is displayed.
633 if (findViewById(R.id.domain_settings_scrollview) != null) {
634 saveDomainSettings(coordinatorLayout, resources);
637 // Dismiss the undo delete SnackBar if it is shown.
638 if ((undoDeleteSnackbar != null) && undoDeleteSnackbar.isShown()) {
639 // Set the close flag.
640 closeActivityAfterDismissingSnackbar = true;
642 // Dismiss the snackbar.
643 undoDeleteSnackbar.dismiss();
645 // Pass `onBackPressed()` to the system.
646 super.onBackPressed();
648 } else if (closeOnBack) { // Go directly back to the main WebView activity because the domains activity was launched from the options menu.
649 // Save the current domain settings.
650 saveDomainSettings(coordinatorLayout, resources);
652 // Pass `onBackPressed()` to the system.
653 super.onBackPressed();
654 } else if (findViewById(R.id.domain_settings_scrollview) != null) { // The device is in single-paned mode and domain settings fragment is displayed.
655 // Save the current domain settings.
656 saveDomainSettings(coordinatorLayout, resources);
658 // Display the domains list fragment.
659 DomainsListFragment domainsListFragment = new DomainsListFragment();
660 fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit();
661 fragmentManager.executePendingTransactions();
663 // Populate the list of domains. `-1` highlights the first domain if in two-paned mode. It has no effect in single-paned mode.
664 populateDomainsListView(-1, domainsListViewPosition);
666 // Show the add domain floating action button.
669 // Hide the delete menu item.
670 deleteMenuItem.setVisible(false);
671 } else { // The device is in single-paned mode and the domain list fragment is displayed.
672 // Dismiss the undo delete SnackBar if it is shown.
673 if ((undoDeleteSnackbar != null) && undoDeleteSnackbar.isShown()) {
674 // Set the close flag.
675 closeActivityAfterDismissingSnackbar = true;
677 // Dismiss the snackbar.
678 undoDeleteSnackbar.dismiss();
680 // Pass `onBackPressed()` to the system.
681 super.onBackPressed();
687 public void onAddDomain(@NonNull DialogFragment dialogFragment) {
688 // Dismiss the undo delete snackbar if it is currently displayed.
689 if ((undoDeleteSnackbar != null) && undoDeleteSnackbar.isShown()) {
690 undoDeleteSnackbar.dismiss();
693 // Remove the incorrect lint warning below that the dialog might be null.
694 assert dialogFragment.getDialog() != null;
696 // Get a handle for the domain name edit text.
697 EditText domainNameEditText = dialogFragment.getDialog().findViewById(R.id.domain_name_edittext);
699 // Get the domain name string.
700 String domainNameString = domainNameEditText.getText().toString();
702 // Create the domain and store the database ID in `currentDomainDatabaseId`.
703 currentDomainDatabaseId = domainsDatabaseHelper.addDomain(domainNameString);
705 // Display the newly created domain.
706 if (twoPanedMode) { // The device in in two-paned mode.
707 populateDomainsListView(currentDomainDatabaseId, 0);
708 } else { // The device is in single-paned mode.
709 // Hide the add domain floating action button.
712 // Show and enable the delete menu item.
713 DomainsActivity.deleteMenuItem.setVisible(true);
715 // Create an arguments bundle.
716 Bundle argumentsBundle = new Bundle();
718 // Add the domain settings to the arguments bundle. The scroll Y should always be `0` on a new domain.
719 argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId);
720 argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, 0);
722 // Instantiate a new domain settings fragment.
723 DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
725 // Add the arguments bundle to the domain setting fragment.
726 domainSettingsFragment.setArguments(argumentsBundle);
728 // Display the domain settings fragment.
729 getSupportFragmentManager().beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit();
733 public void saveDomainSettings(View view, Resources resources) {
734 // Get handles for the domain settings.
735 EditText domainNameEditText = view.findViewById(R.id.domain_settings_name_edittext);
736 SwitchCompat javaScriptSwitch = view.findViewById(R.id.javascript_switch);
737 SwitchCompat firstPartyCookiesSwitch = view.findViewById(R.id.first_party_cookies_switch);
738 SwitchCompat thirdPartyCookiesSwitch = view.findViewById(R.id.third_party_cookies_switch);
739 SwitchCompat domStorageSwitch = view.findViewById(R.id.dom_storage_switch);
740 SwitchCompat formDataSwitch = view.findViewById(R.id.form_data_switch); // Form data can be removed once the minimum API >= 26.
741 SwitchCompat easyListSwitch = view.findViewById(R.id.easylist_switch);
742 SwitchCompat easyPrivacySwitch = view.findViewById(R.id.easyprivacy_switch);
743 SwitchCompat fanboysAnnoyanceSwitch = view.findViewById(R.id.fanboys_annoyance_list_switch);
744 SwitchCompat fanboysSocialBlockingSwitch = view.findViewById(R.id.fanboys_social_blocking_list_switch);
745 SwitchCompat ultraListSwitch = view.findViewById(R.id.ultralist_switch);
746 SwitchCompat ultraPrivacySwitch = view.findViewById(R.id.ultraprivacy_switch);
747 SwitchCompat blockAllThirdPartyRequestsSwitch = view.findViewById(R.id.block_all_third_party_requests_switch);
748 Spinner userAgentSpinner = view.findViewById(R.id.user_agent_spinner);
749 EditText customUserAgentEditText = view.findViewById(R.id.custom_user_agent_edittext);
750 Spinner fontSizeSpinner = view.findViewById(R.id.font_size_spinner);
751 EditText customFontSizeEditText = view.findViewById(R.id.custom_font_size_edittext);
752 Spinner swipeToRefreshSpinner = view.findViewById(R.id.swipe_to_refresh_spinner);
753 Spinner webViewThemeSpinner = view.findViewById(R.id.webview_theme_spinner);
754 Spinner wideViewportSpinner = view.findViewById(R.id.wide_viewport_spinner);
755 Spinner displayWebpageImagesSpinner = view.findViewById(R.id.display_webpage_images_spinner);
756 SwitchCompat pinnedSslCertificateSwitch = view.findViewById(R.id.pinned_ssl_certificate_switch);
757 RadioButton currentWebsiteCertificateRadioButton = view.findViewById(R.id.current_website_certificate_radiobutton);
758 SwitchCompat pinnedIpAddressesSwitch = view.findViewById(R.id.pinned_ip_addresses_switch);
759 RadioButton currentIpAddressesRadioButton = view.findViewById(R.id.current_ip_addresses_radiobutton);
761 // Extract the data for the domain settings.
762 String domainNameString = domainNameEditText.getText().toString();
763 boolean javaScript = javaScriptSwitch.isChecked();
764 boolean firstPartyCookies = firstPartyCookiesSwitch.isChecked();
765 boolean thirdPartyCookies = thirdPartyCookiesSwitch.isChecked();
766 boolean domStorage = domStorageSwitch.isChecked();
767 boolean formData = formDataSwitch.isChecked(); // Form data can be removed once the minimum API >= 26.
768 boolean easyList = easyListSwitch.isChecked();
769 boolean easyPrivacy = easyPrivacySwitch.isChecked();
770 boolean fanboysAnnoyance = fanboysAnnoyanceSwitch.isChecked();
771 boolean fanboysSocialBlocking = fanboysSocialBlockingSwitch.isChecked();
772 boolean ultraList = ultraListSwitch.isChecked();
773 boolean ultraPrivacy = ultraPrivacySwitch.isChecked();
774 boolean blockAllThirdPartyRequests = blockAllThirdPartyRequestsSwitch.isChecked();
775 int userAgentSwitchPosition = userAgentSpinner.getSelectedItemPosition();
776 int fontSizeSwitchPosition = fontSizeSpinner.getSelectedItemPosition();
777 int swipeToRefreshInt = swipeToRefreshSpinner.getSelectedItemPosition();
778 int webViewThemeInt = webViewThemeSpinner.getSelectedItemPosition();
779 int wideViewportInt = wideViewportSpinner.getSelectedItemPosition();
780 int displayWebpageImagesInt = displayWebpageImagesSpinner.getSelectedItemPosition();
781 boolean pinnedSslCertificate = pinnedSslCertificateSwitch.isChecked();
782 boolean pinnedIpAddress = pinnedIpAddressesSwitch.isChecked();
784 // Initialize the user agent name string.
785 String userAgentName;
787 // Set the user agent name.
788 switch (userAgentSwitchPosition) {
789 case MainWebViewActivity.DOMAINS_SYSTEM_DEFAULT_USER_AGENT:
790 // Set the user agent name to be `System default user agent`.
791 userAgentName = resources.getString(R.string.system_default_user_agent);
794 case MainWebViewActivity.DOMAINS_CUSTOM_USER_AGENT:
795 // Set the user agent name to be the custom user agent.
796 userAgentName = customUserAgentEditText.getText().toString();
800 // Get the array of user agent names.
801 String[] userAgentNameArray = resources.getStringArray(R.array.user_agent_names);
803 // Set the user agent name from the array. The domain spinner has one more entry than the name array, so the position must be decremented.
804 userAgentName = userAgentNameArray[userAgentSwitchPosition - 1];
807 // Initialize the font size integer. `0` indicates the system default font size.
810 // Use a custom font size if it is selected.
811 if (fontSizeSwitchPosition == 1) { // A custom font size is specified.
812 // Get the custom font size from the edit text.
813 fontSizeInt = Integer.parseInt(customFontSizeEditText.getText().toString());
816 // Save the domain settings.
817 domainsDatabaseHelper.updateDomain(DomainsActivity.currentDomainDatabaseId, domainNameString, javaScript, firstPartyCookies, thirdPartyCookies, domStorage, formData, easyList, easyPrivacy,
818 fanboysAnnoyance, fanboysSocialBlocking, ultraList, ultraPrivacy, blockAllThirdPartyRequests, userAgentName, fontSizeInt, swipeToRefreshInt, webViewThemeInt, wideViewportInt,
819 displayWebpageImagesInt, pinnedSslCertificate, pinnedIpAddress);
821 // Update the pinned SSL certificate if a new one is checked.
822 if (currentWebsiteCertificateRadioButton.isChecked()) {
823 // Update the database.
824 domainsDatabaseHelper.updatePinnedSslCertificate(currentDomainDatabaseId, sslIssuedToCName, sslIssuedToOName, sslIssuedToUName, sslIssuedByCName, sslIssuedByOName, sslIssuedByUName,
825 sslStartDateLong, sslEndDateLong);
828 // Update the pinned IP addresses if new ones are checked.
829 if (currentIpAddressesRadioButton.isChecked()) {
830 // Update the database.
831 domainsDatabaseHelper.updatePinnedIpAddresses(currentDomainDatabaseId, currentIpAddresses);
835 private void populateDomainsListView(final int highlightedDomainDatabaseId, int domainsListViewPosition) {
836 // get a handle for the current `domains_listview`.
837 domainsListView = findViewById(R.id.domains_listview);
839 // Get a `Cursor` with the current contents of the domains database.
840 Cursor domainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
842 // Setup `domainsCursorAdapter` with `this` context. `false` disables `autoRequery`.
843 CursorAdapter domainsCursorAdapter = new CursorAdapter(getApplicationContext(), domainsCursor, false) {
845 public View newView(Context context, Cursor cursor, ViewGroup parent) {
846 // Inflate the individual item layout. `false` does not attach it to the root.
847 return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false);
851 public void bindView(View view, Context context, Cursor cursor) {
852 // Set the domain name.
853 String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
854 TextView domainNameTextView = view.findViewById(R.id.domain_name_textview);
855 domainNameTextView.setText(domainNameString);
859 // Update the list view.
860 domainsListView.setAdapter(domainsCursorAdapter);
862 // Restore the scroll position.
863 domainsListView.setSelection(domainsListViewPosition);
865 // Display the domain settings in the second pane if operating in two pane mode and the database contains at least one domain.
866 if (DomainsActivity.twoPanedMode && (domainsCursor.getCount() > 0)) { // Two-paned mode is enabled and there is at least one domain.
867 // Initialize `highlightedDomainPosition`.
868 int highlightedDomainPosition = 0;
870 // Get the cursor position for the highlighted domain.
871 for (int i = 0; i < domainsCursor.getCount(); i++) {
872 // Move to position `i` in the cursor.
873 domainsCursor.moveToPosition(i);
875 // Get the database ID for this position.
876 int currentDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID));
878 // Set `highlightedDomainPosition` if the database ID for this matches `highlightedDomainDatabaseId`.
879 if (highlightedDomainDatabaseId == currentDatabaseId) {
880 highlightedDomainPosition = i;
884 // Select the highlighted domain.
885 domainsListView.setItemChecked(highlightedDomainPosition, true);
887 // Get the database ID for the highlighted domain.
888 domainsCursor.moveToPosition(highlightedDomainPosition);
889 currentDomainDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID));
891 // Create an arguments bundle.
892 Bundle argumentsBundle = new Bundle();
894 // Store the domain settings in the arguments bundle.
895 argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId);
896 argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY);
898 // Instantiate a new domain settings fragment.
899 DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment();
901 // Add the arguments bundle to the domain settings fragment.
902 domainSettingsFragment.setArguments(argumentsBundle);
904 // Display the domain settings fragment.
905 getSupportFragmentManager().beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit();
907 // Enable the delete options menu items.
908 deleteMenuItem.setEnabled(true);
910 // Get the current theme status.
911 int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
913 // Set the delete icon according to the theme.
914 if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
915 deleteMenuItem.setIcon(R.drawable.delete_night);
917 deleteMenuItem.setIcon(R.drawable.delete_day);
919 } else if (twoPanedMode) { // Two-paned mode is enabled but there are no domains.
920 // Disable the options `MenuItems`.
921 deleteMenuItem.setEnabled(false);
922 deleteMenuItem.setIcon(R.drawable.delete_disabled);
927 public void dismissSnackbar() {
928 // Dismiss the undo delete snackbar if it is shown.
929 if (undoDeleteSnackbar != null && undoDeleteSnackbar.isShown()) {
930 // Dismiss the snackbar.
931 undoDeleteSnackbar.dismiss();
936 public void onDestroy() {
937 // Close the domains database helper.
938 domainsDatabaseHelper.close();
940 // Run the default commands.