/*
- * Copyright © 2017 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2017-2019 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
+import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
-// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <= 22.
-import android.support.annotation.NonNull;
-import android.support.v7.app.AppCompatDialogFragment;
+import android.preference.PreferenceManager;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.widget.EditText;
import android.widget.TextView;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment; // The AndroidX dialog fragment must be used or an error is produced on API <=22.
+
import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.activities.MainWebViewActivity;
import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
-public class AddDomainDialog extends AppCompatDialogFragment {
+public class AddDomainDialog extends DialogFragment {
// The public interface is used to send information back to the parent activity.
public interface AddDomainListener {
- void onAddDomain(AppCompatDialogFragment dialogFragment);
+ void onAddDomain(DialogFragment dialogFragment);
}
- // `addDomainListener` is used in `onAttach()` and `onCreateDialog()`.
+ // The add domain listener is used in `onAttach()` and `onCreateDialog()`.
private AddDomainListener addDomainListener;
-
+ @Override
public void onAttach(Context context) {
+ // Run the default commands.
super.onAttach(context);
- // Get a handle for `AddDomainListener` from `context`.
- try {
- addDomainListener = (AddDomainListener) context;
- } catch(ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement `AddDomainListener`.");
- }
+ // Get a handle for the listener from the launching context.
+ addDomainListener = (AddDomainListener) context;
+ }
+
+ public static AddDomainDialog addDomain(String url) {
+ // Create an arguments bundle.
+ Bundle argumentsBundle = new Bundle();
+
+ // Store the URL in the bundle.
+ argumentsBundle.putString("url", url);
+
+ // Create a new instance of the dialog.
+ AddDomainDialog addDomainDialog = new AddDomainDialog();
+
+ // Add the bundle to the dialog.
+ addDomainDialog.setArguments(argumentsBundle);
+
+ // Return the new dialog.
+ return addDomainDialog;
}
// `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
@Override
@NonNull
public Dialog onCreateDialog(Bundle savedInstanceState) {
- // Use `AlertDialog.Builder` to create the `AlertDialog`.
+ // Get the arguments.
+ Bundle arguments = getArguments();
+
+ // Remove the incorrect lint warning below that the arguments might be null.
+ assert arguments != null;
+
+ // Get the URL from the bundle.
+ String url = arguments.getString("url");
+
+ // Use an alert dialog builder to create the alert dialog.
AlertDialog.Builder dialogBuilder;
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
+
+ // Get the screenshot and theme preferences.
+ boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+ boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+
// Set the style according to the theme.
- if (MainWebViewActivity.darkTheme) {
+ if (darkTheme) {
dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
} else {
dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
// Set the title.
dialogBuilder.setTitle(R.string.add_domain);
- // Set the view. The parent view is `null` because it will be assigned by the `AlertDialog`.
+ // Remove the incorrect lint warning below that `getActivity()` might be null.
+ assert getActivity() != null;
+
+ // Set the view. The parent view is `null` because it will be assigned by the alert dialog.
dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.add_domain_dialog, null));
- // Set an `onClick()` listener for the negative button.
- dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- // Do nothing. The `AlertDialog` will close automatically.
- }
+ // Set a listener for the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
+ // Do nothing. The alert dialog will close automatically.
});
- // Set an `onClick()` listener for the positive button.
- dialogBuilder.setPositiveButton(R.string.add, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- // Return the `DialogFragment` to the parent activity on add.
- addDomainListener.onAddDomain(AddDomainDialog.this);
- }
+ // Set a listener for the positive button.
+ dialogBuilder.setPositiveButton(R.string.add, (DialogInterface dialog, int which) -> {
+ // Return the dialog fragment to the parent activity on add.
+ addDomainListener.onAddDomain(this);
});
- // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ // Create an alert dialog from the builder.
final AlertDialog alertDialog = dialogBuilder.create();
- // Remove the warning below the `setSoftInputMode` might produce `java.lang.NullPointerException`.
+ // Remove the warning below that `getWindow()` might be null.
assert alertDialog.getWindow() != null;
- // Show the keyboard when the `AlertDialog` is displayed on the screen.
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
+ // Show the keyboard when the alert dialog is displayed on the screen.
alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
- // The `AlertDialog` must be shown before the contents can be edited.
+ // The alert dialog must be shown before the contents can be edited.
alertDialog.show();
- // Initialize `domainsDatabaseHelper`. 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`.
+ // Initialize `domainsDatabaseHelper`. The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
final DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(getContext(), null, null, 0);
- // Get handles for the views in `alertDialog`.
- final EditText addDomainEditText = (EditText) alertDialog.findViewById(R.id.domain_name_edittext);
- final TextView domainNameAlreadyExistsTextView = (TextView) alertDialog.findViewById(R.id.domain_name_already_exists_textview);
+ // Get handles for the views in the alert dialog.
+ final EditText addDomainEditText = alertDialog.findViewById(R.id.domain_name_edittext);
+ final TextView domainNameAlreadyExistsTextView = alertDialog.findViewById(R.id.domain_name_already_exists_textview);
final Button addButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
- // Update the status of the warning text and the `add` button.
+ // Update the status of the warning text and the add button.
addDomainEditText.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// Show the warning text.
domainNameAlreadyExistsTextView.setVisibility(View.VISIBLE);
- // Disable the `add` button.
+ // Disable the add button.
addButton.setEnabled(false);
} else { // The domain do not yet exist.
// Hide the warning text.
domainNameAlreadyExistsTextView.setVisibility(View.GONE);
- // Enable the `add` button.
+ // Enable the add button.
addButton.setEnabled(true);
}
}
});
- // Get the current domain from `formattedUrlString`.
- Uri currentUri = Uri.parse(MainWebViewActivity.formattedUrlString);
+ // Convert the URL to a URI.
+ Uri currentUri = Uri.parse(url);
+
+ // Display the host in the add domain edit text.
addDomainEditText.setText(currentUri.getHost());
- // Allow the `enter` key on the keyboard to create the domain from `add_domain_edittext`.
- addDomainEditText.setOnKeyListener(new View.OnKeyListener() {
- public boolean onKey(View view, int keyCode, KeyEvent event) {
- // If the event is a key-down on the `enter` key, select the `PositiveButton` `Add`.
- if ((keyCode == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN)) {
- // Trigger `addDomainListener` and return the `DialogFragment` to the parent activity.
- addDomainListener.onAddDomain(AddDomainDialog.this);
- // Manually dismiss the `AlertDialog`.
- alertDialog.dismiss();
- // Consume the event.
- return true;
- } else { // If any other key was pressed, do not consume the event.
- return false;
- }
+ // Allow the enter key on the keyboard to create the domain from the add domain edit text.
+ addDomainEditText.setOnKeyListener((View view, int keyCode, KeyEvent event) -> {
+ // If the event is a key-down on the enter key, select the `PositiveButton` `Add`.
+ if ((keyCode == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN)) {
+ // Trigger `addDomainListener` and return the dialog fragment to the parent activity.
+ addDomainListener.onAddDomain(this);
+
+ // Manually dismiss the alert dialog.
+ alertDialog.dismiss();
+
+ // Consume the event.
+ return true;
+ } else { // If any other key was pressed, do not consume the event.
+ return false;
}
});
- // `onCreateDialog()` requires the return of an `AlertDialog`.
+ // Return the alert dialog.
return alertDialog;
}
-}
+}
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