X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Factivities%2FDomainsActivity.java;h=520e6969c11b3bd30f3638c42b3787f6988d3926;hp=f71a1384871716e564881b1095a9b06a77095767;hb=54c70ca476ba2f53ae274df1ac725be3919e8f56;hpb=5fb34c1fa70b7c42a0fc3c0b5af8e856d3af2695 diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/DomainsActivity.java b/app/src/main/java/com/stoutner/privacybrowser/activities/DomainsActivity.java index f71a1384..520e6969 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/activities/DomainsActivity.java +++ b/app/src/main/java/com/stoutner/privacybrowser/activities/DomainsActivity.java @@ -1,5 +1,5 @@ /* - * Copyright © 2017 Soren Stoutner . + * Copyright © 2017-2019 Soren Stoutner . * * This file is part of Privacy Browser . * @@ -19,23 +19,20 @@ package com.stoutner.privacybrowser.activities; +import android.annotation.SuppressLint; +import android.app.Activity; import android.content.Context; +import android.content.Intent; +import android.content.res.Resources; import android.database.Cursor; import android.net.http.SslCertificate; import android.os.Bundle; import android.os.Handler; -import android.support.design.widget.FloatingActionButton; -import android.support.design.widget.Snackbar; -import android.support.v4.app.FragmentManager; -import android.support.v4.app.NavUtils; -import android.support.v7.app.ActionBar; -import android.support.v7.app.AppCompatActivity; -import android.support.v7.app.AppCompatDialogFragment; -import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; +import android.view.WindowManager; import android.widget.CursorAdapter; import android.widget.EditText; import android.widget.ListView; @@ -44,13 +41,25 @@ import android.widget.Spinner; import android.widget.Switch; import android.widget.TextView; +import androidx.appcompat.app.ActionBar; +import androidx.appcompat.app.AppCompatActivity; +import androidx.appcompat.widget.Toolbar; // The AndroidX toolbar must be used until the minimum API is >= 21. +import androidx.core.app.NavUtils; +import androidx.fragment.app.DialogFragment; +import androidx.fragment.app.FragmentManager; // The AndroidX dialog fragment must be used or an error is produced on API <=22. + +import com.google.android.material.floatingactionbutton.FloatingActionButton; +import com.google.android.material.snackbar.Snackbar; + import com.stoutner.privacybrowser.R; import com.stoutner.privacybrowser.dialogs.AddDomainDialog; import com.stoutner.privacybrowser.fragments.DomainSettingsFragment; import com.stoutner.privacybrowser.fragments.DomainsListFragment; import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper; -public class DomainsActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener { +import java.util.Objects; + +public class DomainsActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener, DomainsListFragment.DismissSnackbarInterface { // `twoPanedMode` is public static so it can be accessed from `DomainsListFragment`. It is also used in `onCreate()`, `onCreateOptionsMenu()`, and `populateDomainsListView()`. public static boolean twoPanedMode; @@ -60,19 +69,21 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // `deleteMenuItem` is public static so it can be accessed from `DomainsListFragment`. It is also used in `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `onBackPressed()`. public static MenuItem deleteMenuItem; - // `undoDeleteSnackbar` is public static so it can be accessed from `DomainsListFragment`. It is also used in `onOptionsItemSelected()`. - public static Snackbar undoDeleteSnackbar; - // `dismissingSnackbar` is public static so it can be accessed from `DomainsListFragment`. It is also used in `onOptionsItemSelected()`. public static boolean dismissingSnackbar; - // `context` is used in `onCreate()`, `onOptionsItemSelected()`, and `onAddDomain()`. - private Context context; + // The SSL certificate and current IP addresses are used to update pinned settings. + public static SslCertificate currentSslCertificate; + public static String currentIpAddresses; - // `supportFragmentManager` is used in `onCreate()` and `onCreateOptionsMenu()`. - private FragmentManager supportFragmentManager; - // `domainsDatabaseHelper` is used in `onCreate()` and `saveDomainSettings()`. + // `closeActivityAfterDismissingSnackbar` is used in `onOptionsItemSelected()`, and `onBackPressed()`. + private boolean closeActivityAfterDismissingSnackbar; + + // The undelete snackbar is used in `onOptionsItemSelected()` and `onBackPressed()`. + private Snackbar undoDeleteSnackbar; + + // `domainsDatabaseHelper` is used in `onCreate()`, `saveDomainSettings()`, and `onDestroy()`. private static DomainsDatabaseHelper domainsDatabaseHelper; // `domainsListView` is used in `onCreate()` and `populateDomainsList()`. @@ -93,8 +104,25 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // `domainSettingsDatabaseIdBeforeRotate` is used in `onCreate()` and `onCreateOptionsMenu()`. private int domainSettingsDatabaseIdBeforeRotate; + // `goDirectlyToDatabaseId` is used in `onCreate()` and `onCreateOptionsMenu()`. + private int goDirectlyToDatabaseId; + + // `closeOnBack` is used in `onCreate()`, `onOptionsItemSelected()` and `onBackPressed()`. + private boolean closeOnBack; + + // `coordinatorLayout` is use in `onCreate()`, `onOptionsItemSelected()`, and `onSaveInstanceState()`. + private View coordinatorLayout; + + // `resources` is used in `onCreate()`, `onOptionsItemSelected()`, and `onSaveInstanceState()`. + private Resources resources; + @Override protected void onCreate(Bundle savedInstanceState) { + // Disable screenshots if not allowed. + if (!MainWebViewActivity.allowScreenshots) { + getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE); + } + // Set the activity theme. if (MainWebViewActivity.darkTheme) { setTheme(R.style.PrivacyBrowserDark_SecondaryActivity); @@ -108,43 +136,58 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // Extract the values from `savedInstanceState` if it is not `null`. if (savedInstanceState != null) { restartAfterRotate = true; - domainSettingsDisplayedBeforeRotate = savedInstanceState.getBoolean("domainSettingsDisplayed"); - domainSettingsDatabaseIdBeforeRotate = savedInstanceState.getInt("domainSettingsDatabaseId"); + domainSettingsDisplayedBeforeRotate = savedInstanceState.getBoolean("domain_settings_displayed"); + domainSettingsDatabaseIdBeforeRotate = savedInstanceState.getInt("domain_settings_database_id"); } + // Get the launching intent + Intent intent = getIntent(); + + // Extract the domain to load if there is one. `-1` is the default value. + goDirectlyToDatabaseId = intent.getIntExtra("load_domain", -1); + + // Get the status of close-on-back, which is true when the domains activity is called from the options menu. + closeOnBack = intent.getBooleanExtra("close_on_back", false); + + // Get the current URL. + String currentUrl = intent.getStringExtra("current_url"); + // Set the content view. setContentView(R.layout.domains_coordinatorlayout); - // Get a handle for the context. - context = this; + // Populate the class variables. + coordinatorLayout = findViewById(R.id.domains_coordinatorlayout); + resources = getResources(); - // Get a handle for the fragment manager. - supportFragmentManager = getSupportFragmentManager(); + // `SupportActionBar` from `android.support.v7.app.ActionBar` must be used until the minimum API is >= 21. + final Toolbar toolbar = findViewById(R.id.domains_toolbar); + setSupportActionBar(toolbar); + + // Get a handle for the action bar. + ActionBar actionBar = getSupportActionBar(); - // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21. - final Toolbar domainsAppBar = (Toolbar) findViewById(R.id.domains_toolbar); - setSupportActionBar(domainsAppBar); + // Remove the incorrect lint warning that the action bar might be null. + assert actionBar != null; - // Display the home arrow on `SupportActionBar`. - ActionBar appBar = getSupportActionBar(); - assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that `appBar` might be null. - appBar.setDisplayHomeAsUpEnabled(true); + // Set the back arrow on the action bar. + actionBar.setDisplayHomeAsUpEnabled(true); - // 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`. - domainsDatabaseHelper = new DomainsDatabaseHelper(context, null, null, 0); + // Initialize the database handler. The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`. + domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0); // Determine if we are in two pane mode. `domain_settings_fragment_container` does not exist on devices with a width less than 900dp. twoPanedMode = (findViewById(R.id.domain_settings_fragment_container) != null); - // Configure `addDomainFAB`. - addDomainFAB = (FloatingActionButton) findViewById(R.id.add_domain_fab); - addDomainFAB.setOnClickListener(new View.OnClickListener() { - @Override - public void onClick(View view) { - // Show the `AddDomainDialog` `AlertDialog` and name the instance `@string/add_domain`. - AppCompatDialogFragment addDomainDialog = new AddDomainDialog(); - addDomainDialog.show(supportFragmentManager, getResources().getString(R.string.add_domain)); - } + // Get a handle for the add domain floating action button. + addDomainFAB = findViewById(R.id.add_domain_fab); + + // Configure the add domain floating action button. + addDomainFAB.setOnClickListener((View view) -> { + // Create an add domain dialog. + DialogFragment addDomainDialog = AddDomainDialog.addDomain(currentUrl); + + // Show the add domain dialog. + addDomainDialog.show(getSupportFragmentManager(), resources.getString(R.string.add_domain)); }); } @@ -159,49 +202,86 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // Only display `deleteMenuItem` (initially) in two-paned mode. deleteMenuItem.setVisible(twoPanedMode); + // Get a handle for the fragment manager. + FragmentManager fragmentManager = getSupportFragmentManager(); + // Display the fragments. This must be done from `onCreateOptionsMenu()` instead of `onCreate()` because `populateDomainsListView()` needs `deleteMenuItem` to be inflated. - if (restartAfterRotate && !twoPanedMode && domainSettingsDisplayedBeforeRotate) { // The device was rotated, the new configuration is in single-paned mode, and domain settings were displayed previously. - // Reset `restartAfterRotate`. - restartAfterRotate = false; + if (restartAfterRotate && domainSettingsDisplayedBeforeRotate) { // The device was rotated and domain settings were displayed previously. + if (twoPanedMode) { // The device is in two-paned mode. + // Reset `restartAfterRotate`. + restartAfterRotate = false; - // Store `currentDomainDatabaseId`. - currentDomainDatabaseId = domainSettingsDatabaseIdBeforeRotate; + // Display `DomainsListFragment`. + DomainsListFragment domainsListFragment = new DomainsListFragment(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); - // Add `currentDomainDatabaseId` to `argumentsBundle`. - Bundle argumentsBundle = new Bundle(); - argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId); + // Populate the list of domains. `domainSettingsDatabaseId` highlights the domain that was highlighted before the rotation. + populateDomainsListView(domainSettingsDatabaseIdBeforeRotate); + } else { // The device is in single-paned mode. + // Reset `restartAfterRotate`. + restartAfterRotate = false; - // Add `argumentsBundle` to `domainSettingsFragment`. - DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); - domainSettingsFragment.setArguments(argumentsBundle); + // Store the current domain database ID. + currentDomainDatabaseId = domainSettingsDatabaseIdBeforeRotate; - // Show `deleteMenuItem`. - deleteMenuItem.setVisible(true); + // Add `currentDomainDatabaseId` to `argumentsBundle`. + Bundle argumentsBundle = new Bundle(); + argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId); - // Hide `add_domain_fab`. - addDomainFAB.setVisibility(View.GONE); + // Add `argumentsBundle` to `domainSettingsFragment`. + DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); + domainSettingsFragment.setArguments(argumentsBundle); - // Display `domainSettingsFragment`. - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); - } else if (restartAfterRotate && twoPanedMode && domainSettingsDisplayedBeforeRotate) { // The device was rotated, the new configuration is in two-paned mode, and domain settings were displayed previously. - // Reset `restartAfterRotate`. - restartAfterRotate = false; + // Show `deleteMenuItem`. + deleteMenuItem.setVisible(true); - // Display `DomainsListFragment`. - DomainsListFragment domainsListFragment = new DomainsListFragment(); - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); - supportFragmentManager.executePendingTransactions(); + // Hide the add domain floating action button. + addDomainFAB.hide(); - // Populate the list of domains. `domainSettingsDatabaseId` highlights the domain that was highlighted before the rotation. - populateDomainsListView(domainSettingsDatabaseIdBeforeRotate); + // Display `domainSettingsFragment`. + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + } } else { // The device was not rotated or, if it was, domain settings were not displayed previously. - // Display `DomainsListFragment`. - DomainsListFragment domainsListFragment = new DomainsListFragment(); - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); - supportFragmentManager.executePendingTransactions(); + if (goDirectlyToDatabaseId >=0) { // Load the indicated domain settings. + // Store the current domain database ID. + currentDomainDatabaseId = goDirectlyToDatabaseId; - // Populate the list of domains. `-1` highlights the first domain. - populateDomainsListView(-1); + if (twoPanedMode) { // The device is in two-paned mode. + // Display `DomainsListFragment`. + DomainsListFragment domainsListFragment = new DomainsListFragment(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); + + // Populate the list of domains. `domainSettingsDatabaseId` highlights the domain that was highlighted before the rotation. + populateDomainsListView(goDirectlyToDatabaseId); + } else { // The device is in single-paned mode. + // Add the domain ID to be loaded to `argumentsBundle`. + Bundle argumentsBundle = new Bundle(); + argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, goDirectlyToDatabaseId); + + // Add `argumentsBundle` to `domainSettingsFragment`. + DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); + domainSettingsFragment.setArguments(argumentsBundle); + + // Show `deleteMenuItem`. + deleteMenuItem.setVisible(true); + + // Hide the add domain floating action button. + addDomainFAB.hide(); + + // Display `domainSettingsFragment`. + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + } + } else { // Highlight the first domain. + // Display `DomainsListFragment`. + DomainsListFragment domainsListFragment = new DomainsListFragment(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); + + // Populate the list of domains. `-1` highlights the first domain. + populateDomainsListView(-1); + } } // Success! @@ -210,43 +290,73 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo @Override public boolean onOptionsItemSelected(MenuItem menuItem) { - // Get the ID of the `MenuItem` that was selected. + // Get the ID of the menu item that was selected. int menuItemID = menuItem.getItemId(); + // Get a handle for the fragment manager. + FragmentManager fragmentManager = getSupportFragmentManager(); + switch (menuItemID) { case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`. if (twoPanedMode) { // The device is in two-paned mode. // Save the current domain settings if the domain settings fragment is displayed. if (findViewById(R.id.domain_settings_scrollview) != null) { - saveDomainSettings(); + saveDomainSettings(coordinatorLayout, resources); + } + + // Dismiss the undo delete `SnackBar` if it is shown. + if (undoDeleteSnackbar != null && undoDeleteSnackbar.isShown()) { + // Set the close flag. + closeActivityAfterDismissingSnackbar = true; + + // Dismiss the snackbar. + undoDeleteSnackbar.dismiss(); + } else { + // Go home. + NavUtils.navigateUpFromSameTask(this); } + } else if (closeOnBack) { // Go directly back to the main WebView activity because the domains activity was launched from the options menu. + // Save the current domain settings. + saveDomainSettings(coordinatorLayout, resources); // Go home. NavUtils.navigateUpFromSameTask(this); - } else if (findViewById(R.id.domain_settings_scrollview) != null) { // The device is in single-paned mode and `DomainSettingsFragment` is displayed. + } else if (findViewById(R.id.domain_settings_scrollview) != null) { // The device is in single-paned mode and the domain settings fragment is displayed. // Save the current domain settings. - saveDomainSettings(); + saveDomainSettings(coordinatorLayout, resources); - // Display `DomainsListFragment`. + // Display the domains list fragment. DomainsListFragment domainsListFragment = new DomainsListFragment(); - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); - supportFragmentManager.executePendingTransactions(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); // Populate the list of domains. `-1` highlights the first domain if in two-paned mode. It has no effect in single-paned mode. populateDomainsListView(-1); - // Display `addDomainFAB`. - addDomainFAB.setVisibility(View.VISIBLE); + // Show the add domain floating action button. + addDomainFAB.show(); - // Hide `deleteMenuItem`. + // Hide the delete menu item. deleteMenuItem.setVisible(false); } else { // The device is in single-paned mode and `DomainsListFragment` is displayed. - // Go home. - NavUtils.navigateUpFromSameTask(this); + // Dismiss the undo delete `SnackBar` if it is shown. + if (undoDeleteSnackbar != null && undoDeleteSnackbar.isShown()) { + // Set the close flag. + closeActivityAfterDismissingSnackbar = true; + + // Dismiss the snackbar. + undoDeleteSnackbar.dismiss(); + } else { + // Go home. + NavUtils.navigateUpFromSameTask(this); + } } break; case R.id.delete_domain: + // Reset close-on-back, which otherwise can cause errors if the system attempts to save settings for a domain that no longer exists. + closeOnBack = false; + // Store a copy of `currentDomainDatabaseId` because it could change while the `Snackbar` is displayed. final int databaseIdToDelete = currentDomainDatabaseId; @@ -260,15 +370,15 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo deleteMenuItem.setIcon(R.drawable.delete_blue); // Remove the domain settings fragment. - supportFragmentManager.beginTransaction().remove(supportFragmentManager.findFragmentById(R.id.domain_settings_fragment_container)).commit(); + fragmentManager.beginTransaction().remove(Objects.requireNonNull(fragmentManager.findFragmentById(R.id.domain_settings_fragment_container))).commit(); } else { // Single-paned mode. // Display `DomainsListFragment`. DomainsListFragment domainsListFragment = new DomainsListFragment(); - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); - supportFragmentManager.executePendingTransactions(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); - // Display `addDomainFAB`. - addDomainFAB.setVisibility(View.VISIBLE); + // Show the add domain floating action button. + addDomainFAB.show(); // Hide `deleteMenuItem`. deleteMenuItem.setVisible(false); @@ -289,26 +399,27 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo public void bindView(View view, Context context, Cursor cursor) { // Set the domain name. String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)); - TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview); + TextView domainNameTextView = view.findViewById(R.id.domain_name_textview); domainNameTextView.setText(domainNameString); } }; // Update the handle for the current `domains_listview`. - domainsListView = (ListView) findViewById(R.id.domains_listview); + domainsListView = findViewById(R.id.domains_listview); // Update the `ListView`. domainsListView.setAdapter(domainsPendingDeleteCursorAdapter); + // Get a handle for the activity. + Activity activity = this; + // Display a `Snackbar`. undoDeleteSnackbar = Snackbar.make(domainsListView, R.string.domain_deleted, Snackbar.LENGTH_LONG) - .setAction(R.string.undo, new View.OnClickListener() { - @Override - public void onClick(View v) { - // Do nothing because everything will be handled by `onDismissed()` below. - } + .setAction(R.string.undo, (View v) -> { + // Do nothing because everything will be handled by `onDismissed()` below. }) .addCallback(new Snackbar.Callback() { + @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`. @Override public void onDismissed(Snackbar snackbar, int event) { switch (event) { @@ -328,7 +439,7 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo Cursor undoDeleteDomainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain(); // Setup `domainsCursorAdapter` with `this` context. `false` disables `autoRequery`. - CursorAdapter undoDeleteDomainsCursorAdapter = new CursorAdapter(context, undoDeleteDomainsCursor, false) { + CursorAdapter undoDeleteDomainsCursorAdapter = new CursorAdapter(getApplicationContext(), undoDeleteDomainsCursor, false) { @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { // Inflate the individual item layout. `false` does not attach it to the root. @@ -339,7 +450,7 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo public void bindView(View view, Context context, Cursor cursor) { // Set the domain name. String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)); - TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview); + TextView domainNameTextView = view.findViewById(R.id.domain_name_textview); domainNameTextView.setText(domainNameString); } }; @@ -350,24 +461,23 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo domainsListView.setItemChecked(deletedDomainPosition, true); // Display `domainSettingsFragment`. - supportFragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit(); + fragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit(); // Enable the options `MenuItems`. deleteMenuItem.setEnabled(true); deleteMenuItem.setIcon(R.drawable.delete_light); } else { // The device in in one-paned mode. // Display `domainSettingsFragment`. - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); - // Hide `add_domain_fab`. - FloatingActionButton addDomainFAB = (FloatingActionButton) findViewById(R.id.add_domain_fab); - addDomainFAB.setVisibility(View.GONE); + // Hide the add domain floating action button. + addDomainFAB.hide(); // Show and enable `deleteMenuItem`. deleteMenuItem.setVisible(true); // Display `domainSettingsFragment`. - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); } break; @@ -376,41 +486,47 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // Delete the selected domain. domainsDatabaseHelper.deleteDomain(databaseIdToDelete); - // enable `deleteMenuItem` if the system was waiting for a `Snackbar` to be dismissed. - if (DomainsActivity.dismissingSnackbar) { + // Enable the delete menu item if the system was waiting for a snackbar to be dismissed. + if (dismissingSnackbar) { // Create a `Runnable` to enable the delete menu item. - Runnable enableDeleteMenuItemRunnable = new Runnable() { - @Override - public void run() { - // Enable `deleteMenuItem` according to the display mode. - if (twoPanedMode) { // Two-paned mode. - // Enable `deleteMenuItem`. - deleteMenuItem.setEnabled(true); - - // Set the delete icon according to the theme. - if (MainWebViewActivity.darkTheme) { - deleteMenuItem.setIcon(R.drawable.delete_dark); - } else { - deleteMenuItem.setIcon(R.drawable.delete_light); - } - } else { // Single-paned mode. - // Show `deleteMenuItem`. - deleteMenuItem.setVisible(true); + Runnable enableDeleteMenuItemRunnable = () -> { + // Enable `deleteMenuItem` according to the display mode. + if (twoPanedMode) { // Two-paned mode. + // Enable `deleteMenuItem`. + deleteMenuItem.setEnabled(true); + + // Set the delete icon according to the theme. + if (MainWebViewActivity.darkTheme) { + deleteMenuItem.setIcon(R.drawable.delete_dark); + } else { + deleteMenuItem.setIcon(R.drawable.delete_light); } - - // Reset `dismissingSnackbar`. - dismissingSnackbar = false; + } else { // Single-paned mode. + // Show `deleteMenuItem`. + deleteMenuItem.setVisible(true); } + + // Reset `dismissingSnackbar`. + dismissingSnackbar = false; }; - // Run `enableDeleteMenuItemRunnable` after 100 milliseconds to make sure that the previous domain has been deleted from the database. + // Enable the delete menu icon after 100 milliseconds to make sure that the previous domain has been deleted from the database. Handler handler = new Handler(); handler.postDelayed(enableDeleteMenuItemRunnable, 100); } + + // Close the activity if back was pressed. + if (closeActivityAfterDismissingSnackbar) { + // Go home. + NavUtils.navigateUpFromSameTask(activity); + } + break; } } }); + + // Show the Snackbar. undoDeleteSnackbar.show(); break; } @@ -424,14 +540,14 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // Store the current `DomainSettingsFragment` state in `outState`. if (findViewById(R.id.domain_settings_scrollview) != null) { // `DomainSettingsFragment` is displayed. // Save any changes that have been made to the domain settings. - saveDomainSettings(); + saveDomainSettings(coordinatorLayout, resources); // Store `DomainSettingsDisplayed`. - outState.putBoolean("domainSettingsDisplayed", true); - outState.putInt("domainSettingsDatabaseId", DomainSettingsFragment.databaseId); + outState.putBoolean("domain_settings_displayed", true); + outState.putInt("domain_settings_database_id", DomainSettingsFragment.databaseId); } else { // `DomainSettingsFragment` is not displayed. - outState.putBoolean("domainSettingsDisplayed", false); - outState.putInt("domainSettingsDatabaseId", -1); + outState.putBoolean("domain_settings_displayed", false); + outState.putInt("domain_settings_database_id", -1); } super.onSaveInstanceState(outState); @@ -440,46 +556,73 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // Control what the navigation bar back button does. @Override public void onBackPressed() { + // Get a handle for the fragment manager. + FragmentManager fragmentManager = getSupportFragmentManager(); + if (twoPanedMode) { // The device is in two-paned mode. // Save the current domain settings if the domain settings fragment is displayed. if (findViewById(R.id.domain_settings_scrollview) != null) { - saveDomainSettings(); + saveDomainSettings(coordinatorLayout, resources); + } + + // Dismiss the undo delete SnackBar if it is shown. + if ((undoDeleteSnackbar != null) && undoDeleteSnackbar.isShown()) { + // Set the close flag. + closeActivityAfterDismissingSnackbar = true; + + // Dismiss the snackbar. + undoDeleteSnackbar.dismiss(); + } else { + // Pass `onBackPressed()` to the system. + super.onBackPressed(); } + } else if (closeOnBack) { // Go directly back to the main WebView activity because the domains activity was launched from the options menu. + // Save the current domain settings. + saveDomainSettings(coordinatorLayout, resources); - // Go home. - NavUtils.navigateUpFromSameTask(this); - } else if (findViewById(R.id.domain_settings_scrollview) != null) { // The device is in single-paned mode and `DomainSettingsFragment` is displayed. + // Pass `onBackPressed()` to the system. + super.onBackPressed(); + } else if (findViewById(R.id.domain_settings_scrollview) != null) { // The device is in single-paned mode and domain settings fragment is displayed. // Save the current domain settings. - saveDomainSettings(); + saveDomainSettings(coordinatorLayout, resources); - // Display `DomainsListFragment`. + // Display the domains list fragment. DomainsListFragment domainsListFragment = new DomainsListFragment(); - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); - supportFragmentManager.executePendingTransactions(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); // Populate the list of domains. `-1` highlights the first domain if in two-paned mode. It has no effect in single-paned mode. populateDomainsListView(-1); - // Display `addDomainFAB`. - addDomainFAB.setVisibility(View.VISIBLE); + // Show the add domain floating action button. + addDomainFAB.show(); - // Hide `deleteMenuItem`. + // Hide the delete menu item. deleteMenuItem.setVisible(false); - } else { // The device is in single-paned mode and `DomainsListFragment` is displayed. - // Pass `onBackPressed()` to the system. - super.onBackPressed(); + } else { // The device is in single-paned mode and the domain list fragment is displayed. + // Dismiss the undo delete SnackBar if it is shown. + if ((undoDeleteSnackbar != null) && undoDeleteSnackbar.isShown()) { + // Set the close flag. + closeActivityAfterDismissingSnackbar = true; + + // Dismiss the snackbar. + undoDeleteSnackbar.dismiss(); + } else { + // Pass `onBackPressed()` to the system. + super.onBackPressed(); + } } } @Override - public void onAddDomain(AppCompatDialogFragment dialogFragment) { - // Dismiss `undoDeleteSnackbar` if it is currently displayed. - if ((undoDeleteSnackbar != null) && (undoDeleteSnackbar.isShown())) { + public void onAddDomain(DialogFragment dialogFragment) { + // Dismiss the undo delete snackbar if it is currently displayed. + if ((undoDeleteSnackbar != null) && undoDeleteSnackbar.isShown()) { undoDeleteSnackbar.dismiss(); } - // Get the `domainNameEditText` from `dialogFragment` and extract the string. - EditText domainNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.domain_name_edittext); + // Get the new domain name String from the dialog fragment. + EditText domainNameEditText = dialogFragment.getDialog().findViewById(R.id.domain_name_edittext); String domainNameString = domainNameEditText.getText().toString(); // Create the domain and store the database ID in `currentDomainDatabaseId`. @@ -489,102 +632,139 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo if (twoPanedMode) { // The device in in two-paned mode. populateDomainsListView(currentDomainDatabaseId); } else { // The device is in single-paned mode. - // Hide `add_domain_fab`. - addDomainFAB.setVisibility(View.GONE); + // Hide the add domain floating action button. + addDomainFAB.hide(); // Show and enable `deleteMenuItem`. DomainsActivity.deleteMenuItem.setVisible(true); - // Add `currentDomainDatabaseId` to `argumentsBundle`. + // Add the current domain database ID to the arguments bundle. Bundle argumentsBundle = new Bundle(); argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId); - // Add `argumentsBundle` to `domainSettingsFragment`. + // Add and arguments bundle to the domain setting fragment. DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); domainSettingsFragment.setArguments(argumentsBundle); - // Display `domainSettingsFragment`. - supportFragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + // Display the domain settings fragment. + getSupportFragmentManager().beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); } } - private void saveDomainSettings() { + public void saveDomainSettings(View view, Resources resources) { // Get handles for the domain settings. - EditText domainNameEditText = (EditText) findViewById(R.id.domain_settings_name_edittext); - Switch javaScriptEnabledSwitch = (Switch) findViewById(R.id.domain_settings_javascript_switch); - Switch firstPartyCookiesEnabledSwitch = (Switch) findViewById(R.id.domain_settings_first_party_cookies_switch); - Switch thirdPartyCookiesEnabledSwitch = (Switch) findViewById(R.id.domain_settings_third_party_cookies_switch); - Switch domStorageEnabledSwitch = (Switch) findViewById(R.id.domain_settings_dom_storage_switch); - Switch formDataEnabledSwitch = (Switch) findViewById(R.id.domain_settings_form_data_switch); - Spinner userAgentSpinner = (Spinner) findViewById(R.id.domain_settings_user_agent_spinner); - EditText customUserAgentEditText = (EditText) findViewById(R.id.domain_settings_custom_user_agent_edittext); - Spinner fontSizeSpinner = (Spinner) findViewById(R.id.domain_settings_font_size_spinner); - Spinner displayWebpageImagesSpinner = (Spinner) findViewById(R.id.domain_settings_display_webpage_images_spinner); - Switch pinnedSslCertificateSwitch = (Switch) findViewById(R.id.domain_settings_pinned_ssl_certificate_switch); - RadioButton savedSslCertificateRadioButton = (RadioButton) findViewById(R.id.saved_ssl_certificate_radiobutton); - RadioButton currentWebsiteCertificateRadioButton = (RadioButton) findViewById(R.id.current_website_certificate_radiobutton); + EditText domainNameEditText = view.findViewById(R.id.domain_settings_name_edittext); + Switch javaScriptSwitch = view.findViewById(R.id.javascript_switch); + Switch firstPartyCookiesSwitch = view.findViewById(R.id.first_party_cookies_switch); + Switch thirdPartyCookiesSwitch = view.findViewById(R.id.third_party_cookies_switch); + Switch domStorageSwitch = view.findViewById(R.id.dom_storage_switch); + Switch formDataSwitch = view.findViewById(R.id.form_data_switch); // Form data can be removed once the minimum API >= 26. + Switch easyListSwitch = view.findViewById(R.id.easylist_switch); + Switch easyPrivacySwitch = view.findViewById(R.id.easyprivacy_switch); + Switch fanboysAnnoyanceSwitch = view.findViewById(R.id.fanboys_annoyance_list_switch); + Switch fanboysSocialBlockingSwitch = view.findViewById(R.id.fanboys_social_blocking_list_switch); + Switch ultraPrivacySwitch = view.findViewById(R.id.ultraprivacy_switch); + Switch blockAllThirdPartyRequestsSwitch = view.findViewById(R.id.block_all_third_party_requests_switch); + Spinner userAgentSpinner = view.findViewById(R.id.user_agent_spinner); + EditText customUserAgentEditText = view.findViewById(R.id.custom_user_agent_edittext); + Spinner fontSizeSpinner = view.findViewById(R.id.font_size_spinner); + Spinner swipeToRefreshSpinner = view.findViewById(R.id.swipe_to_refresh_spinner); + Spinner displayWebpageImagesSpinner = view.findViewById(R.id.display_webpage_images_spinner); + Spinner nightModeSpinner = view.findViewById(R.id.night_mode_spinner); + Switch pinnedSslCertificateSwitch = view.findViewById(R.id.pinned_ssl_certificate_switch); + RadioButton currentWebsiteCertificateRadioButton = view.findViewById(R.id.current_website_certificate_radiobutton); + Switch pinnedIpAddressesSwitch = view.findViewById(R.id.pinned_ip_addresses_switch); + RadioButton currentIpAddressesRadioButton = view.findViewById(R.id.current_ip_addresses_radiobutton); + TextView currentIpAddressesTextView = view.findViewById(R.id.current_ip_addresses_textview); // Extract the data for the domain settings. String domainNameString = domainNameEditText.getText().toString(); - boolean javaScriptEnabledBoolean = javaScriptEnabledSwitch.isChecked(); - boolean firstPartyCookiesEnabledBoolean = firstPartyCookiesEnabledSwitch.isChecked(); - boolean thirdPartyCookiesEnabledBoolean = thirdPartyCookiesEnabledSwitch.isChecked(); - boolean domStorageEnabledEnabledBoolean = domStorageEnabledSwitch.isChecked(); - boolean formDataEnabledBoolean = formDataEnabledSwitch.isChecked(); - int userAgentPositionInt = userAgentSpinner.getSelectedItemPosition(); - int fontSizePositionInt = fontSizeSpinner.getSelectedItemPosition(); + boolean javaScriptEnabled = javaScriptSwitch.isChecked(); + boolean firstPartyCookiesEnabled = firstPartyCookiesSwitch.isChecked(); + boolean thirdPartyCookiesEnabled = thirdPartyCookiesSwitch.isChecked(); + boolean domStorageEnabled = domStorageSwitch.isChecked(); + boolean formDataEnabled = formDataSwitch.isChecked(); // Form data can be removed once the minimum API >= 26. + boolean easyListEnabled = easyListSwitch.isChecked(); + boolean easyPrivacyEnabled = easyPrivacySwitch.isChecked(); + boolean fanboysAnnoyanceEnabled = fanboysAnnoyanceSwitch.isChecked(); + boolean fanboysSocialBlockingEnabled = fanboysSocialBlockingSwitch.isChecked(); + boolean ultraPrivacyEnabled = ultraPrivacySwitch.isChecked(); + boolean blockAllThirdPartyRequests = blockAllThirdPartyRequestsSwitch.isChecked(); + int userAgentPosition = userAgentSpinner.getSelectedItemPosition(); + int fontSizePosition = fontSizeSpinner.getSelectedItemPosition(); + int swipeToRefreshInt = swipeToRefreshSpinner.getSelectedItemPosition(); int displayWebpageImagesInt = displayWebpageImagesSpinner.getSelectedItemPosition(); + int nightModeInt = nightModeSpinner.getSelectedItemPosition(); boolean pinnedSslCertificate = pinnedSslCertificateSwitch.isChecked(); + boolean pinnedIpAddress = pinnedIpAddressesSwitch.isChecked(); + + // Initialize the user agent name string. + String userAgentName; + + // Set the user agent name. + switch (userAgentPosition) { + case MainWebViewActivity.DOMAINS_SYSTEM_DEFAULT_USER_AGENT: + // Set the user agent name to be `System default user agent`. + userAgentName = resources.getString(R.string.system_default_user_agent); + break; + + case MainWebViewActivity.DOMAINS_CUSTOM_USER_AGENT: + // Set the user agent name to be the custom user agent. + userAgentName = customUserAgentEditText.getText().toString(); + break; - // Get the data for the `Spinners` from the entry values string arrays. - String userAgentString = getResources().getStringArray(R.array.domain_settings_user_agent_entry_values)[userAgentPositionInt]; - int fontSizeInt = Integer.parseInt(getResources().getStringArray(R.array.domain_settings_font_size_entry_values)[fontSizePositionInt]); + default: + // Get the array of user agent names. + String[] userAgentNameArray = resources.getStringArray(R.array.user_agent_names); - // Check to see if we are using a custom user agent. - if (userAgentString.equals("Custom user agent")) { - // Set `userAgentString` to the custom user agent string. - userAgentString = customUserAgentEditText.getText().toString(); + // 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. + userAgentName = userAgentNameArray[userAgentPosition - 1]; } + // Get the font size integer. + int fontSizeInt = Integer.parseInt(resources.getStringArray(R.array.domain_settings_font_size_entry_values)[fontSizePosition]); + // Save the domain settings. - if (savedSslCertificateRadioButton.isChecked()) { // The current certificate is being used. - // Update the database except for the certificate. - domainsDatabaseHelper.updateDomainExceptCertificate(DomainsActivity.currentDomainDatabaseId, domainNameString, javaScriptEnabledBoolean, firstPartyCookiesEnabledBoolean, thirdPartyCookiesEnabledBoolean, domStorageEnabledEnabledBoolean, - formDataEnabledBoolean, userAgentString, fontSizeInt, displayWebpageImagesInt, pinnedSslCertificate); - } else if (currentWebsiteCertificateRadioButton.isChecked()) { // The certificate is being updated with the current website certificate. - // Get the current website SSL certificate. - SslCertificate currentWebsiteSslCertificate = MainWebViewActivity.sslCertificate; + domainsDatabaseHelper.updateDomain(DomainsActivity.currentDomainDatabaseId, domainNameString, javaScriptEnabled, firstPartyCookiesEnabled, thirdPartyCookiesEnabled, + domStorageEnabled, formDataEnabled, easyListEnabled, easyPrivacyEnabled, fanboysAnnoyanceEnabled, fanboysSocialBlockingEnabled, ultraPrivacyEnabled, blockAllThirdPartyRequests, + userAgentName, fontSizeInt, swipeToRefreshInt, nightModeInt, displayWebpageImagesInt, pinnedSslCertificate, pinnedIpAddress); + // Update the pinned SSL certificate if a new one is checked. + if (currentWebsiteCertificateRadioButton.isChecked()) { // Store the values from the SSL certificate. - String issuedToCommonName = currentWebsiteSslCertificate.getIssuedTo().getCName(); - String issuedToOrganization = currentWebsiteSslCertificate.getIssuedTo().getOName(); - String issuedToOrganizationalUnit = currentWebsiteSslCertificate.getIssuedTo().getUName(); - String issuedByCommonName = currentWebsiteSslCertificate.getIssuedBy().getCName(); - String issuedByOrganization = currentWebsiteSslCertificate.getIssuedBy().getOName(); - String issuedByOrganizationalUnit = currentWebsiteSslCertificate.getIssuedBy().getUName(); - long startDateLong = currentWebsiteSslCertificate.getValidNotBeforeDate().getTime(); - long endDateLong = currentWebsiteSslCertificate.getValidNotAfterDate().getTime(); + String issuedToCommonName = currentSslCertificate.getIssuedTo().getCName(); + String issuedToOrganization = currentSslCertificate.getIssuedTo().getOName(); + String issuedToOrganizationalUnit = currentSslCertificate.getIssuedTo().getUName(); + String issuedByCommonName = currentSslCertificate.getIssuedBy().getCName(); + String issuedByOrganization = currentSslCertificate.getIssuedBy().getOName(); + String issuedByOrganizationalUnit = currentSslCertificate.getIssuedBy().getUName(); + long startDateLong = currentSslCertificate.getValidNotBeforeDate().getTime(); + long endDateLong = currentSslCertificate.getValidNotAfterDate().getTime(); + + // Update the database. + domainsDatabaseHelper.updatePinnedSslCertificate(currentDomainDatabaseId, issuedToCommonName, issuedToOrganization, issuedToOrganizationalUnit, issuedByCommonName, issuedByOrganization, + issuedByOrganizationalUnit, startDateLong, endDateLong); + } + + // Update the pinned IP addresses if new ones are checked. + if (currentIpAddressesRadioButton.isChecked()) { + // Get the current IP addresses. + String currentIpAddresses = currentIpAddressesTextView.getText().toString(); // Update the database. - domainsDatabaseHelper.updateDomainWithCertificate(currentDomainDatabaseId, domainNameString, javaScriptEnabledBoolean, firstPartyCookiesEnabledBoolean, thirdPartyCookiesEnabledBoolean, domStorageEnabledEnabledBoolean, formDataEnabledBoolean, - userAgentString, fontSizeInt, displayWebpageImagesInt, pinnedSslCertificate, issuedToCommonName, issuedToOrganization, issuedToOrganizationalUnit, issuedByCommonName, issuedByOrganization, issuedByOrganizationalUnit, startDateLong, - endDateLong); - } else { // No certificate is selected. - // Update the database, with PINNED_SSL_CERTIFICATE set to false. - domainsDatabaseHelper.updateDomainExceptCertificate(currentDomainDatabaseId, domainNameString, javaScriptEnabledBoolean, firstPartyCookiesEnabledBoolean, thirdPartyCookiesEnabledBoolean, domStorageEnabledEnabledBoolean, formDataEnabledBoolean, - userAgentString, fontSizeInt, displayWebpageImagesInt, false); + domainsDatabaseHelper.updatePinnedIpAddresses(currentDomainDatabaseId, currentIpAddresses); } } private void populateDomainsListView(final int highlightedDomainDatabaseId) { // get a handle for the current `domains_listview`. - domainsListView = (ListView) findViewById(R.id.domains_listview); + domainsListView = findViewById(R.id.domains_listview); // Get a `Cursor` with the current contents of the domains database. Cursor domainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain(); // Setup `domainsCursorAdapter` with `this` context. `false` disables `autoRequery`. - CursorAdapter domainsCursorAdapter = new CursorAdapter(context, domainsCursor, false) { + CursorAdapter domainsCursorAdapter = new CursorAdapter(getApplicationContext(), domainsCursor, false) { @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { // Inflate the individual item layout. `false` does not attach it to the root. @@ -595,7 +775,7 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo public void bindView(View view, Context context, Cursor cursor) { // Set the domain name. String domainNameString = cursor.getString(cursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME)); - TextView domainNameTextView = (TextView) view.findViewById(R.id.domain_name_textview); + TextView domainNameTextView = view.findViewById(R.id.domain_name_textview); domainNameTextView.setText(domainNameString); } }; @@ -625,22 +805,22 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // Select the highlighted domain. domainsListView.setItemChecked(highlightedDomainPosition, true); - // Get the `databaseId` for the highlighted domain. + // Get the database ID for the highlighted domain. domainsCursor.moveToPosition(highlightedDomainPosition); currentDomainDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID)); - // Store `databaseId` in `argumentsBundle`. + // Store the database ID in the arguments bundle. Bundle argumentsBundle = new Bundle(); argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId); - // Add `argumentsBundle` to `domainSettingsFragment`. + // Add and arguments bundle to the domain settings fragment. DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); domainSettingsFragment.setArguments(argumentsBundle); - // Display `domainSettingsFragment`. - supportFragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit(); + // Display the domain settings fragment. + getSupportFragmentManager().beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit(); - // Enable the options `MenuItems`. + // Enable the delete options menu items. deleteMenuItem.setEnabled(true); // Set the delete icon according to the theme. @@ -655,4 +835,22 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo deleteMenuItem.setIcon(R.drawable.delete_blue); } } + + @Override + public void dismissSnackbar() { + // Dismiss the undo delete snackbar if it is shown. + if (undoDeleteSnackbar != null && undoDeleteSnackbar.isShown()) { + // Dismiss the snackbar. + undoDeleteSnackbar.dismiss(); + } + } + + @Override + public void onDestroy() { + // Close the domains database helper. + domainsDatabaseHelper.close(); + + // Run the default commands. + super.onDestroy(); + } } \ No newline at end of file