/*
- * 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.content.DialogInterface;
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.text.Editable;
import android.text.TextWatcher;
import android.view.KeyEvent;
import android.widget.EditText;
import android.widget.TextView;
+import androidx.annotation.NonNull;
+// The AndroidX dialog fragment must be used or an error is produced on API <=22.
+import androidx.fragment.app.DialogFragment;
+
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()`.
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;
}
// `@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`.
+ // Use an alert dialog builder to create the alert dialog.
AlertDialog.Builder dialogBuilder;
// Set the style according to the theme.
// 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.
+ // Set a listener for the negative button.
dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
// Do nothing. The `AlertDialog` will close automatically.
});
- // Set an `onClick()` listener for the positive button.
+ // Set a listener for the positive button.
dialogBuilder.setPositiveButton(R.string.add, (DialogInterface dialog, int which) -> {
// Return the `DialogFragment` to the parent activity on add.
addDomainListener.onAddDomain(AddDomainDialog.this);
});
- // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ // Create an alert dialog from the builder.
final AlertDialog alertDialog = dialogBuilder.create();
- // Remove the warning below that `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 (!MainWebViewActivity.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`.
+ // 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);
}
}
projects / PrivacyBrowserAndroid.git / blobdiff