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=2ef534f1d4286fb54557e8926efcf3b0bf648c82;hp=158fd16a6384a794f8d5e0b325c83a7061b81116;hb=1b27ac6f2b7c046945fc97e2aff9adbde8a152ce;hpb=ade33e21bbdc373ee391b1105d94aeb1aac1b80d 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 158fd16a..2ef534f1 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/activities/DomainsActivity.java +++ b/app/src/main/java/com/stoutner/privacybrowser/activities/DomainsActivity.java @@ -1,141 +1,226 @@ /* - * Copyright 2017 Soren Stoutner . + * Copyright © 2017-2022 Soren Stoutner . * - * This file is part of Privacy Browser . + * This file is part of Privacy Browser Android . * - * Privacy Browser is free software: you can redistribute it and/or modify + * Privacy Browser Android is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * - * Privacy Browser is distributed in the hope that it will be useful, + * Privacy Browser Android is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with Privacy Browser. If not, see . + * along with Privacy Browser Android. If not, see . */ package com.stoutner.privacybrowser.activities; +import android.app.Activity; import android.content.Context; import android.content.Intent; +import android.content.SharedPreferences; +import android.content.res.Resources; import android.database.Cursor; import android.os.Bundle; -import android.support.design.widget.FloatingActionButton; -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.os.Handler; +import android.preference.PreferenceManager; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; -import android.widget.AdapterView; +import android.view.WindowManager; import android.widget.CursorAdapter; import android.widget.EditText; import android.widget.ListView; +import android.widget.RadioButton; +import android.widget.ScrollView; import android.widget.Spinner; -import android.widget.Switch; import android.widget.TextView; +import androidx.annotation.NonNull; +import androidx.appcompat.app.ActionBar; +import androidx.appcompat.app.AppCompatActivity; +import androidx.appcompat.widget.SwitchCompat; +import androidx.appcompat.widget.Toolbar; +import androidx.core.app.NavUtils; +import androidx.fragment.app.DialogFragment; +import androidx.fragment.app.FragmentManager; + +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 { - // `context` is used in `onCreate()` and `onOptionsItemSelected()`. - Context context; +import java.util.Objects; + +public class DomainsActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener, DomainsListFragment.DismissSnackbarInterface { + // Define the public static variables. + public static int domainsListViewPosition; + public static boolean twoPanedMode; + public static int currentDomainDatabaseId; + public static MenuItem deleteMenuItem; + public static boolean dismissingSnackbar; + + // The SSL certificate and IP address information are accessed from `DomainSettingsFragment` and `saveDomainSettings()`. + public static String sslIssuedToCName; + public static String sslIssuedToOName; + public static String sslIssuedToUName; + public static String sslIssuedByCName; + public static String sslIssuedByOName; + public static String sslIssuedByUName; + public static long sslStartDateLong; + public static long sslEndDateLong; + public static String currentIpAddresses; + + + // Initialize the class constants. + private final String LISTVIEW_POSITION = "listview_position"; + private final String DOMAIN_SETTINGS_DISPLAYED = "domain_settings_displayed"; + private final String DOMAIN_SETTINGS_DATABASE_ID = "domain_settings_database_is"; + private final String DOMAIN_SETTINGS_SCROLL_Y = "domain_settings_scroll_y"; + + // Initialize the class variables. + private boolean restartAfterRotate; + private boolean domainSettingsDisplayedBeforeRotate; + private int domainSettingsDatabaseIdBeforeRotate; + private int domainSettingsScrollY = 0; + + // Defile the class views. + private ListView domainsListView; + + // `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()`, `onOptionsItemSelected()`, `onAddDomain()`, and `updateDomainsRecyclerView()`. + // `domainsDatabaseHelper` is used in `onCreate()`, `saveDomainSettings()`, and `onDestroy()`. private static DomainsDatabaseHelper domainsDatabaseHelper; - // `twoPaneMode` is used in `onCreate()` and `updateDomainsListView()`. - private boolean twoPaneMode; + // `addDomainFAB` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `onBackPressed()`. + private FloatingActionButton addDomainFAB; - // `domainsRecyclerView` is used in `onCreate()` and `updateDomainsListView()`. - private ListView domainsListView; + // `deletedDomainPosition` is used in an inner and outer class in `onOptionsItemSelected()`. + private int deletedDomainPosition; + + // `goDirectlyToDatabaseId` is used in `onCreate()` and `onCreateOptionsMenu()`. + private int goDirectlyToDatabaseId; - // `databaseId` is used in `onCreate()` and `onOptionsItemSelected()`. - private int databaseId; + // `closeOnBack` is used in `onCreate()`, `onOptionsItemSelected()` and `onBackPressed()`. + private boolean closeOnBack; - // `saveMenuItem` is used in `onCreate()`, `onOptionsItemSelected()`, and `onCreateOptionsMenu()`. - private MenuItem saveMenuItem; + // `coordinatorLayout` is use in `onCreate()`, `onOptionsItemSelected()`, and `onSaveInstanceState()`. + private View coordinatorLayout; - // `deleteMenuItem` is used in `onCreate()`, `onOptionsItemSelected()`, and `onCreateOptionsMenu()`. - private MenuItem deleteMenuItem; + // `resources` is used in `onCreate()`, `onOptionsItemSelected()`, and `onSaveInstanceState()`. + private Resources resources; @Override protected void onCreate(Bundle savedInstanceState) { + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + + // Get the preferences. + boolean allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false); + boolean bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false); + + // Disable screenshots if not allowed. + if (!allowScreenshots) { + getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE); + } + + // Set the theme. + setTheme(R.style.PrivacyBrowser); + + // Run the default commands. super.onCreate(savedInstanceState); - setContentView(R.layout.domains_coordinatorlayout); - // Get a handle for the context. - context = this; + // Initialize the domains listview position. + domainsListViewPosition = 0; - // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21. - final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.domains_toolbar); - setSupportActionBar(bookmarksAppBar); + // Extract the values from the saved instance state if it is not null. + if (savedInstanceState != null) { + domainsListViewPosition = savedInstanceState.getInt(LISTVIEW_POSITION); + restartAfterRotate = true; + domainSettingsDisplayedBeforeRotate = savedInstanceState.getBoolean(DOMAIN_SETTINGS_DISPLAYED); + domainSettingsDatabaseIdBeforeRotate = savedInstanceState.getInt(DOMAIN_SETTINGS_DATABASE_ID); + domainSettingsScrollY = savedInstanceState.getInt(DOMAIN_SETTINGS_SCROLL_Y); + } - // 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); + // Get the launching intent + Intent intent = getIntent(); - // Initialize the database handler. `this` specifies the context. 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(this, null, null, 0); + // Extract the domain to load if there is one. `-1` is the default value. + goDirectlyToDatabaseId = intent.getIntExtra("load_domain", -1); - // Determine if we are in two pane mode. `domains_settings_linearlayout` is only populated if two panes are present. - twoPaneMode = ((findViewById(R.id.domain_settings_scrollview)) != null); + // 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); - // Initialize `domainsListView`. - domainsListView = (ListView) findViewById(R.id.domains_listview); + // Get the current URL. + String currentUrl = intent.getStringExtra("current_url"); - domainsListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { - @Override - public void onItemClick(AdapterView parent, View view, int position, long id) { - // Convert the id from `long` to `int` to match the format of the domains database. - databaseId = (int) id; + // Store the current SSL certificate information in class variables. + sslIssuedToCName = intent.getStringExtra("ssl_issued_to_cname"); + sslIssuedToOName = intent.getStringExtra("ssl_issued_to_oname"); + sslIssuedToUName = intent.getStringExtra("ssl_issued_to_uname"); + sslIssuedByCName = intent.getStringExtra("ssl_issued_by_cname"); + sslIssuedByOName = intent.getStringExtra("ssl_issued_by_oname"); + sslIssuedByUName = intent.getStringExtra("ssl_issued_by_uname"); + sslStartDateLong = intent.getLongExtra("ssl_start_date", 0); + sslEndDateLong = intent.getLongExtra("ssl_end_date", 0); + currentIpAddresses = intent.getStringExtra("current_ip_addresses"); - // Display the Domain Settings. - if (twoPaneMode) { // Display a fragment in two paned mode. - // Enable the options `MenuItems`. - saveMenuItem.setEnabled(true); - deleteMenuItem.setEnabled(true); + // Set the view. + if (bottomAppBar) { + setContentView(R.layout.domains_bottom_appbar); + } else { + setContentView(R.layout.domains_top_appbar); + } - // Store `databaseId` in `argumentsBundle`. - Bundle argumentsBundle = new Bundle(); - argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, databaseId); + // Populate the class variables. + coordinatorLayout = findViewById(R.id.domains_coordinatorlayout); + resources = getResources(); - // Add `argumentsBundle` to `domainSettingsFragment`. - DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); - domainSettingsFragment.setArguments(argumentsBundle); + // `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); - // Display `domainSettingsFragment`. - getSupportFragmentManager().beginTransaction().replace(R.id.domain_settings_scrollview, domainSettingsFragment).commit(); - } else { // Load the second activity on smaller screens. - // Create `domainSettingsActivityIntent` with the `databaseId`. - Intent domainSettingsActivityIntent = new Intent(context, DomainSettingsActivity.class); - domainSettingsActivityIntent.putExtra(DomainSettingsFragment.DATABASE_ID, databaseId); + // Get a handle for the action bar. + ActionBar actionBar = getSupportActionBar(); - // Start `DomainSettingsActivity`. - context.startActivity(domainSettingsActivityIntent); - } - } - }); + // Remove the incorrect lint warning that the action bar might be null. + assert actionBar != null; - FloatingActionButton 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(getSupportFragmentManager(), getResources().getString(R.string.add_domain)); - } + // Set the back arrow on the action bar. + actionBar.setDisplayHomeAsUpEnabled(true); + + // 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); + + // 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) -> { + // Remove the incorrect warning below that the current URL might be null. + assert currentUrl != null; + + // Create an add domain dialog. + DialogFragment addDomainDialog = AddDomainDialog.addDomain(currentUrl); + + // Show the add domain dialog. + addDomainDialog.show(getSupportFragmentManager(), resources.getString(R.string.add_domain)); }); } @@ -144,16 +229,103 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo // Inflate the menu. getMenuInflater().inflate(R.menu.domains_options_menu, menu); - // Store the `MenuItems` for future use. + // Store `deleteMenuItem` for future use. deleteMenuItem = menu.findItem(R.id.delete_domain); - saveMenuItem = menu.findItem(R.id.save_domain); - // Only display the options `MenuItems` in two pane mode. - deleteMenuItem.setVisible(twoPaneMode); - saveMenuItem.setVisible(twoPaneMode); + // 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 && domainSettingsDisplayedBeforeRotate) { // The device was rotated and domain settings were displayed previously. + if (twoPanedMode) { // The device is in two-paned mode. + // Reset `restartAfterRotate`. + restartAfterRotate = false; + + // Display `DomainsListFragment`. + DomainsListFragment domainsListFragment = new DomainsListFragment(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); - // Load the `ListView`. We have to do this from `onCreateOptionsMenu()` instead of `onCreate()` because `updateDomainsListView()` needs the `MenuItems` to be inflated. - updateDomainsListView(); + // Populate the list of domains. `domainSettingsDatabaseId` highlights the domain that was highlighted before the rotation. + populateDomainsListView(domainSettingsDatabaseIdBeforeRotate, domainsListViewPosition); + } else { // The device is in single-paned mode. + // Reset `restartAfterRotate`. + restartAfterRotate = false; + + // Store the current domain database ID. + currentDomainDatabaseId = domainSettingsDatabaseIdBeforeRotate; + + // Create an arguments bundle. + Bundle argumentsBundle = new Bundle(); + + // Add the domain settings arguments. + argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId); + argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY); + + // Instantiate a new domain settings fragment. + DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); + + // Add the arguments bundle to the domain settings fragment. + domainSettingsFragment.setArguments(argumentsBundle); + + // Show the delete menu item. + deleteMenuItem.setVisible(true); + + // Hide the add domain floating action button. + addDomainFAB.hide(); + + // Display the domain settings fragment. + 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. + if (goDirectlyToDatabaseId >=0) { // Load the indicated domain settings. + // Store the current domain database ID. + currentDomainDatabaseId = goDirectlyToDatabaseId; + + 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, domainsListViewPosition); + } else { // The device is in single-paned mode. + // Create an arguments bundle. + Bundle argumentsBundle = new Bundle(); + + // Add the domain settings to arguments bundle. + argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, goDirectlyToDatabaseId); + argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY); + + // Instantiate a new domain settings fragment. + DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); + + // Add the arguments bundle to the domain settings fragment`. + domainSettingsFragment.setArguments(argumentsBundle); + + // Show the delete menu item. + deleteMenuItem.setVisible(true); + + // Hide the add domain floating action button. + addDomainFAB.hide(); + + // Display the domain settings fragment. + 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, domainsListViewPosition); + } + } // Success! return true; @@ -161,84 +333,517 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo @Override public boolean onOptionsItemSelected(MenuItem menuItem) { - // Get the ID of the `MenuItem` that was selected. - int menuItemID = menuItem.getItemId(); + // Get the ID of the menu item that was selected. + int menuItemId = menuItem.getItemId(); + + // Get a handle for the fragment manager. + FragmentManager fragmentManager = getSupportFragmentManager(); + + // Run the command according to the selected menu item. + if (menuItemId == android.R.id.home) { // The home arrow is identified as `android.R.id.home`, not just `R.id.home`. + // Check if the device is in two-paned mode. + 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(coordinatorLayout, resources); + } - switch (menuItemID) { - case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`. - // Go home. - NavUtils.navigateUpFromSameTask(this); - break; + // Dismiss the undo delete snackbar if it is shown. + if (undoDeleteSnackbar != null && undoDeleteSnackbar.isShown()) { + // Set the close flag. + closeActivityAfterDismissingSnackbar = true; - case R.id.save_domain: - // 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); - - // Extract the data for the domain settings. - String domainNameString = domainNameEditText.getText().toString(); - boolean javaScriptEnabled = javaScriptEnabledSwitch.isChecked(); - boolean firstPartyCookiesEnabled = firstPartyCookiesEnabledSwitch.isChecked(); - boolean thirdPartyCookiesEnabled = thirdPartyCookiesEnabledSwitch.isChecked(); - boolean domStorageEnabledEnabled = domStorageEnabledSwitch.isChecked(); - boolean formDataEnabled = formDataEnabledSwitch.isChecked(); - int userAgentPosition = userAgentSpinner.getSelectedItemPosition(); - int fontSizePosition = fontSizeSpinner.getSelectedItemPosition(); - - // Get the data for the `Spinners` from the entry values string arrays. - String userAgentString = getResources().getStringArray(R.array.user_agent_entry_values)[userAgentPosition]; - int fontSizeInt = Integer.parseInt(getResources().getStringArray(R.array.default_font_size_entry_values)[fontSizePosition]); - - // 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(); + // 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); - // Save the domain settings. - domainsDatabaseHelper.saveDomain(databaseId, domainNameString, javaScriptEnabled, firstPartyCookiesEnabled, thirdPartyCookiesEnabled, domStorageEnabledEnabled, formDataEnabled, userAgentString, fontSizeInt); - break; + // Go home. + NavUtils.navigateUpFromSameTask(this); + } 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(coordinatorLayout, resources); + + // Display the domains list fragment. + 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 if in two-paned mode. It has no effect in single-paned mode. + populateDomainsListView(-1, domainsListViewPosition); + + // Show the add domain floating action button. + addDomainFAB.show(); + + // Hide the delete menu item. + deleteMenuItem.setVisible(false); + } else { // The device is in single-paned mode and domains 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 { + // Go home. + NavUtils.navigateUpFromSameTask(this); + } + } + } else if (menuItemId == R.id.delete_domain) { // Delete. + // Get a handle for the activity. + Activity activity = this; - case R.id.delete_domain: + // Check to see if the domain settings were loaded directly for editing of this app in single-paned mode. + if (closeOnBack && !twoPanedMode) { // The activity should delete the domain settings and exit straight to the the main WebView activity. // Delete the selected domain. - domainsDatabaseHelper.deleteDomain(databaseId); + domainsDatabaseHelper.deleteDomain(currentDomainDatabaseId); - // Detach the domain settings fragment. - getSupportFragmentManager().beginTransaction().detach(getSupportFragmentManager().findFragmentById(R.id.domain_settings_scrollview)).commit(); + // Go home. + NavUtils.navigateUpFromSameTask(activity); + } else { // A snackbar should be shown before deleting the domain settings. + // 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 the current domain database ID because it could change while the snackbar is displayed. + final int databaseIdToDelete = currentDomainDatabaseId; + + // Update the fragments and menu items. + if (twoPanedMode) { // Two-paned mode. + // Store the deleted domain position, which is needed if undo is selected in the snackbar. + deletedDomainPosition = domainsListView.getCheckedItemPosition(); + + // Disable the options menu items. + deleteMenuItem.setEnabled(false); + deleteMenuItem.setIcon(R.drawable.delete_disabled); + + // Remove the domain settings fragment. + fragmentManager.beginTransaction().remove(Objects.requireNonNull(fragmentManager.findFragmentById(R.id.domain_settings_fragment_container))).commit(); + } else { // Single-paned mode. + // Display the domains list fragment. + DomainsListFragment domainsListFragment = new DomainsListFragment(); + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainsListFragment).commit(); + fragmentManager.executePendingTransactions(); + + // Show the add domain floating action button. + addDomainFAB.show(); + + // Hide `deleteMenuItem`. + deleteMenuItem.setVisible(false); + } - // Update the `ListView`. - updateDomainsListView(); - break; + // Get a cursor that does not show the domain to be deleted. + Cursor domainsPendingDeleteCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomainExcept(databaseIdToDelete); + + // Setup the domains pending delete cursor adapter. + CursorAdapter domainsPendingDeleteCursorAdapter = new CursorAdapter(this, domainsPendingDeleteCursor, false) { + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + // Inflate the individual item layout. + return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false); + } + + @Override + public void bindView(View view, Context context, Cursor cursor) { + // Get the domain name string. + String domainNameString = cursor.getString(cursor.getColumnIndexOrThrow(DomainsDatabaseHelper.DOMAIN_NAME)); + + // Get a handle for the domain name text view. + TextView domainNameTextView = view.findViewById(R.id.domain_name_textview); + + // Display the domain name. + domainNameTextView.setText(domainNameString); + } + }; + + // Update the handle for the current domains list view. + domainsListView = findViewById(R.id.domains_listview); + + // Update the list view. + domainsListView.setAdapter(domainsPendingDeleteCursorAdapter); + + // Display a snackbar. + undoDeleteSnackbar = Snackbar.make(domainsListView, R.string.domain_deleted, Snackbar.LENGTH_LONG) + .setAction(R.string.undo, (View v) -> { + // Do nothing because everything will be handled by `onDismissed()` below. + }) + .addCallback(new Snackbar.Callback() { + @Override + public void onDismissed(Snackbar snackbar, int event) { + // Run commands based on the event. + if (event == Snackbar.Callback.DISMISS_EVENT_ACTION) { // The user pushed the `Undo` button. + // Create an arguments bundle. + Bundle argumentsBundle = new Bundle(); + + // Store the domains settings in the arguments bundle. + argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, databaseIdToDelete); + argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY); + + // Instantiate a new domain settings fragment. + DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); + + // Add the arguments bundle to the domain settings fragment. + domainSettingsFragment.setArguments(argumentsBundle); + + // Display the correct fragments. + if (twoPanedMode) { // The device in in two-paned mode. + // Get a cursor with the current contents of the domains database. + Cursor undoDeleteDomainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain(); + + // Setup the domains cursor adapter. + CursorAdapter undoDeleteDomainsCursorAdapter = new CursorAdapter(getApplicationContext(), undoDeleteDomainsCursor, false) { + @Override + public View newView(Context context, Cursor cursor, ViewGroup parent) { + // Inflate the individual item layout. + return getLayoutInflater().inflate(R.layout.domain_name_linearlayout, parent, false); + } + + @Override + public void bindView(View view, Context context, Cursor cursor) { + /// Get the domain name string. + String domainNameString = cursor.getString(cursor.getColumnIndexOrThrow(DomainsDatabaseHelper.DOMAIN_NAME)); + + // Get a handle for the domain name text view. + TextView domainNameTextView = view.findViewById(R.id.domain_name_textview); + + // Display the domain name. + domainNameTextView.setText(domainNameString); + } + }; + + // Update the domains list view. + domainsListView.setAdapter(undoDeleteDomainsCursorAdapter); + + // Select the previously deleted domain in the list view. + domainsListView.setItemChecked(deletedDomainPosition, true); + + // Display the domain settings fragment. + fragmentManager.beginTransaction().replace(R.id.domain_settings_fragment_container, domainSettingsFragment).commit(); + + // Enable the options delete menu item. + deleteMenuItem.setEnabled(true); + + // Set the delete menu item icon. + deleteMenuItem.setIcon(R.drawable.delete_enabled); + } else { // The device in in one-paned mode. + // Display the domain settings fragment. + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + + // Hide the add domain floating action button. + addDomainFAB.hide(); + + // Show and enable the delete menu item. + deleteMenuItem.setVisible(true); + + // Display the domain settings fragment. + fragmentManager.beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + } + } else { // The snackbar was dismissed without the undo button being pushed. + // Delete the selected domain. + domainsDatabaseHelper.deleteDomain(databaseIdToDelete); + + // 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 = () -> { + // Enable the delete menu item according to the display mode. + if (twoPanedMode) { // Two-paned mode. + // Enable the delete menu item. + deleteMenuItem.setEnabled(true); + + // Set the delete menu item icon. + deleteMenuItem.setIcon(R.drawable.delete_enabled); + } else { // Single-paned mode. + // Show the delete menu item. + deleteMenuItem.setVisible(true); + } + + // Reset the dismissing snackbar tracker. + dismissingSnackbar = false; + }; + + // 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); + } + } + } + }); + + // Show the Snackbar. + undoDeleteSnackbar.show(); + } } + + // Consume the event. return true; } @Override - public void onAddDomain(AppCompatDialogFragment dialogFragment) { - // Get the `domainNameEditText` from `dialogFragment` and extract the string. - EditText domainNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.domain_name_edittext); + protected void onSaveInstanceState(@NonNull Bundle savedInstanceState) { + // Run the default commands. + super.onSaveInstanceState(savedInstanceState); + + // Get a handle for the domain settings scrollview. + ScrollView domainSettingsScrollView = findViewById(R.id.domain_settings_scrollview); + + // Check to see if the domain settings scrollview exists. + if (domainSettingsScrollView == null) { // The domain settings are not displayed. + // Store the domain settings status in the bundle. + savedInstanceState.putBoolean(DOMAIN_SETTINGS_DISPLAYED, false); + savedInstanceState.putInt(DOMAIN_SETTINGS_DATABASE_ID, -1); + savedInstanceState.putInt(DOMAIN_SETTINGS_SCROLL_Y, 0); + } else { // The domain settings are displayed. + // Save any changes that have been made to the domain settings. + saveDomainSettings(coordinatorLayout, resources); + + // Get the domain settings scroll Y. + int domainSettingsScrollY = domainSettingsScrollView.getScrollY(); + + // Store the domain settings status in the bundle. + savedInstanceState.putBoolean(DOMAIN_SETTINGS_DISPLAYED, true); + savedInstanceState.putInt(DOMAIN_SETTINGS_DATABASE_ID, DomainSettingsFragment.databaseId); + savedInstanceState.putInt(DOMAIN_SETTINGS_SCROLL_Y, domainSettingsScrollY); + } + + // Check to see if the domains listview exists. + if (domainsListView != null) { + // Get the domains listview position. + int domainsListViewPosition = domainsListView.getFirstVisiblePosition(); + + // Store the listview position in the bundle. + savedInstanceState.putInt(LISTVIEW_POSITION, domainsListViewPosition); + } + } + + // 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(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); + + // 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(coordinatorLayout, resources); + + // Display the domains list fragment. + 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 if in two-paned mode. It has no effect in single-paned mode. + populateDomainsListView(-1, domainsListViewPosition); + + // Show the add domain floating action button. + addDomainFAB.show(); + + // Hide the delete menu item. + deleteMenuItem.setVisible(false); + } 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(@NonNull DialogFragment dialogFragment) { + // Dismiss the undo delete snackbar if it is currently displayed. + if ((undoDeleteSnackbar != null) && undoDeleteSnackbar.isShown()) { + undoDeleteSnackbar.dismiss(); + } + + // Remove the incorrect lint warning below that the dialog might be null. + assert dialogFragment.getDialog() != null; + + // Get a handle for the domain name edit text. + EditText domainNameEditText = dialogFragment.getDialog().findViewById(R.id.domain_name_edittext); + + // Get the domain name string. + String domainNameString = domainNameEditText.getText().toString(); + + // Create the domain and store the database ID in `currentDomainDatabaseId`. + currentDomainDatabaseId = domainsDatabaseHelper.addDomain(domainNameString); + + // Display the newly created domain. + if (twoPanedMode) { // The device in in two-paned mode. + populateDomainsListView(currentDomainDatabaseId, 0); + } else { // The device is in single-paned mode. + // Hide the add domain floating action button. + addDomainFAB.hide(); + + // Show and enable the delete menu item. + DomainsActivity.deleteMenuItem.setVisible(true); + + // Create an arguments bundle. + Bundle argumentsBundle = new Bundle(); + + // Add the domain settings to the arguments bundle. The scroll Y should always be `0` on a new domain. + argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId); + argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, 0); + + // Instantiate a new domain settings fragment. + DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); + + // Add the arguments bundle to the domain setting fragment. + domainSettingsFragment.setArguments(argumentsBundle); + + // Display the domain settings fragment. + getSupportFragmentManager().beginTransaction().replace(R.id.domains_listview_fragment_container, domainSettingsFragment).commit(); + } + } + + public void saveDomainSettings(View view, Resources resources) { + // Get handles for the domain settings. + EditText domainNameEditText = view.findViewById(R.id.domain_settings_name_edittext); + SwitchCompat javaScriptSwitch = view.findViewById(R.id.javascript_switch); + SwitchCompat cookiesSwitch = view.findViewById(R.id.cookies_switch); + SwitchCompat domStorageSwitch = view.findViewById(R.id.dom_storage_switch); + SwitchCompat formDataSwitch = view.findViewById(R.id.form_data_switch); // Form data can be removed once the minimum API >= 26. + SwitchCompat easyListSwitch = view.findViewById(R.id.easylist_switch); + SwitchCompat easyPrivacySwitch = view.findViewById(R.id.easyprivacy_switch); + SwitchCompat fanboysAnnoyanceSwitch = view.findViewById(R.id.fanboys_annoyance_list_switch); + SwitchCompat fanboysSocialBlockingSwitch = view.findViewById(R.id.fanboys_social_blocking_list_switch); + SwitchCompat ultraListSwitch = view.findViewById(R.id.ultralist_switch); + SwitchCompat ultraPrivacySwitch = view.findViewById(R.id.ultraprivacy_switch); + SwitchCompat 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); + EditText customFontSizeEditText = view.findViewById(R.id.custom_font_size_edittext); + Spinner swipeToRefreshSpinner = view.findViewById(R.id.swipe_to_refresh_spinner); + Spinner webViewThemeSpinner = view.findViewById(R.id.webview_theme_spinner); + Spinner wideViewportSpinner = view.findViewById(R.id.wide_viewport_spinner); + Spinner displayWebpageImagesSpinner = view.findViewById(R.id.display_webpage_images_spinner); + SwitchCompat pinnedSslCertificateSwitch = view.findViewById(R.id.pinned_ssl_certificate_switch); + RadioButton currentWebsiteCertificateRadioButton = view.findViewById(R.id.current_website_certificate_radiobutton); + SwitchCompat pinnedIpAddressesSwitch = view.findViewById(R.id.pinned_ip_addresses_switch); + RadioButton currentIpAddressesRadioButton = view.findViewById(R.id.current_ip_addresses_radiobutton); + + // Extract the data for the domain settings. String domainNameString = domainNameEditText.getText().toString(); + boolean javaScript = javaScriptSwitch.isChecked(); + boolean cookies = cookiesSwitch.isChecked(); + boolean domStorage = domStorageSwitch.isChecked(); + boolean formData = formDataSwitch.isChecked(); // Form data can be removed once the minimum API >= 26. + boolean easyList = easyListSwitch.isChecked(); + boolean easyPrivacy = easyPrivacySwitch.isChecked(); + boolean fanboysAnnoyance = fanboysAnnoyanceSwitch.isChecked(); + boolean fanboysSocialBlocking = fanboysSocialBlockingSwitch.isChecked(); + boolean ultraList = ultraListSwitch.isChecked(); + boolean ultraPrivacy = ultraPrivacySwitch.isChecked(); + boolean blockAllThirdPartyRequests = blockAllThirdPartyRequestsSwitch.isChecked(); + int userAgentSwitchPosition = userAgentSpinner.getSelectedItemPosition(); + int fontSizeSwitchPosition = fontSizeSpinner.getSelectedItemPosition(); + int swipeToRefreshInt = swipeToRefreshSpinner.getSelectedItemPosition(); + int webViewThemeInt = webViewThemeSpinner.getSelectedItemPosition(); + int wideViewportInt = wideViewportSpinner.getSelectedItemPosition(); + int displayWebpageImagesInt = displayWebpageImagesSpinner.getSelectedItemPosition(); + boolean pinnedSslCertificate = pinnedSslCertificateSwitch.isChecked(); + boolean pinnedIpAddress = pinnedIpAddressesSwitch.isChecked(); + + // Initialize the user agent name string. + String userAgentName; + + // Set the user agent name. + switch (userAgentSwitchPosition) { + 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; - // Create the domain. - domainsDatabaseHelper.addDomain(domainNameString); + default: + // Get the array of user agent names. + String[] userAgentNameArray = resources.getStringArray(R.array.user_agent_names); - // Refresh the `ListView`. - updateDomainsListView(); + // 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[userAgentSwitchPosition - 1]; + } + + // Initialize the font size integer. `0` indicates the system default font size. + int fontSizeInt = 0; + + // Use a custom font size if it is selected. + if (fontSizeSwitchPosition == 1) { // A custom font size is specified. + // Get the custom font size from the edit text. + fontSizeInt = Integer.parseInt(customFontSizeEditText.getText().toString()); + } + + // Save the domain settings. + domainsDatabaseHelper.updateDomain(DomainsActivity.currentDomainDatabaseId, domainNameString, javaScript, cookies, domStorage, formData, easyList, easyPrivacy, + fanboysAnnoyance, fanboysSocialBlocking, ultraList, ultraPrivacy, blockAllThirdPartyRequests, userAgentName, fontSizeInt, swipeToRefreshInt, webViewThemeInt, wideViewportInt, + displayWebpageImagesInt, pinnedSslCertificate, pinnedIpAddress); + + // Update the pinned SSL certificate if a new one is checked. + if (currentWebsiteCertificateRadioButton.isChecked()) { + // Update the database. + domainsDatabaseHelper.updatePinnedSslCertificate(currentDomainDatabaseId, sslIssuedToCName, sslIssuedToOName, sslIssuedToUName, sslIssuedByCName, sslIssuedByOName, sslIssuedByUName, + sslStartDateLong, sslEndDateLong); + } + + // Update the pinned IP addresses if new ones are checked. + if (currentIpAddressesRadioButton.isChecked()) { + // Update the database. + domainsDatabaseHelper.updatePinnedIpAddresses(currentDomainDatabaseId, currentIpAddresses); + } } - private void updateDomainsListView() { + private void populateDomainsListView(final int highlightedDomainDatabaseId, int domainsListViewPosition) { + // get a handle for the current `domains_listview`. + domainsListView = findViewById(R.id.domains_listview); + // Get a `Cursor` with the current contents of the domains database. - Cursor domainsCursor = domainsDatabaseHelper.getCursorOrderedByDomain(); + Cursor domainsCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain(); // Setup `domainsCursorAdapter` with `this` context. `false` disables `autoRequery`. - CursorAdapter domainsCursorAdapter = new CursorAdapter(this, 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. @@ -248,44 +853,87 @@ public class DomainsActivity extends AppCompatActivity implements AddDomainDialo @Override 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); + String domainNameString = cursor.getString(cursor.getColumnIndexOrThrow(DomainsDatabaseHelper.DOMAIN_NAME)); + TextView domainNameTextView = view.findViewById(R.id.domain_name_textview); domainNameTextView.setText(domainNameString); } }; - // Update the `ListView`. + // Update the list view. domainsListView.setAdapter(domainsCursorAdapter); + // Restore the scroll position. + domainsListView.setSelection(domainsListViewPosition); + // Display the domain settings in the second pane if operating in two pane mode and the database contains at least one domain. - if (twoPaneMode && (domainsCursor.getCount() > 0)) { - // Select the first domain. - domainsListView.setItemChecked(0, true); + if (DomainsActivity.twoPanedMode && (domainsCursor.getCount() > 0)) { // Two-paned mode is enabled and there is at least one domain. + // Initialize `highlightedDomainPosition`. + int highlightedDomainPosition = 0; + + // Get the cursor position for the highlighted domain. + for (int i = 0; i < domainsCursor.getCount(); i++) { + // Move to position `i` in the cursor. + domainsCursor.moveToPosition(i); - // Get the `databaseId` of the first item. - domainsCursor.moveToFirst(); - databaseId = domainsCursor.getInt(domainsCursor.getColumnIndex(DomainsDatabaseHelper._ID)); + // Get the database ID for this position. + int currentDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper._ID)); - // Store `databaseId` in `argumentsBundle`. + // Set `highlightedDomainPosition` if the database ID for this matches `highlightedDomainDatabaseId`. + if (highlightedDomainDatabaseId == currentDatabaseId) { + highlightedDomainPosition = i; + } + } + + // Select the highlighted domain. + domainsListView.setItemChecked(highlightedDomainPosition, true); + + // Get the database ID for the highlighted domain. + domainsCursor.moveToPosition(highlightedDomainPosition); + currentDomainDatabaseId = domainsCursor.getInt(domainsCursor.getColumnIndexOrThrow(DomainsDatabaseHelper._ID)); + + // Create an arguments bundle. Bundle argumentsBundle = new Bundle(); - argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, databaseId); - // Add `argumentsBundle` to `domainSettingsFragment`. + // Store the domain settings in the arguments bundle. + argumentsBundle.putInt(DomainSettingsFragment.DATABASE_ID, currentDomainDatabaseId); + argumentsBundle.putInt(DomainSettingsFragment.SCROLL_Y, domainSettingsScrollY); + + // Instantiate a new domain settings fragment. DomainSettingsFragment domainSettingsFragment = new DomainSettingsFragment(); + + // Add the arguments bundle to the domain settings fragment. domainSettingsFragment.setArguments(argumentsBundle); - // Display `domainSettingsFragment`. - getSupportFragmentManager().beginTransaction().replace(R.id.domain_settings_scrollview, 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); - deleteMenuItem.setIcon(R.drawable.delete); - saveMenuItem.setEnabled(true); - } else { + + // Set the delete icon. + deleteMenuItem.setIcon(R.drawable.delete_enabled); + } else if (twoPanedMode) { // Two-paned mode is enabled but there are no domains. // Disable the options `MenuItems`. deleteMenuItem.setEnabled(false); - deleteMenuItem.setIcon(R.drawable.delete_blue); - saveMenuItem.setEnabled(false); + deleteMenuItem.setIcon(R.drawable.delete_disabled); } } + + @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