--- /dev/null
+/*
+ * Copyright © 2017 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser 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,
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.dialogs;
+
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+// `AppCompatDialogFragment` is used instead of `DialogFragment` to avoid an error on API <=22.
+import android.support.v7.app.AppCompatDialogFragment;
+import android.text.SpannableStringBuilder;
+import android.text.Spanned;
+import android.text.style.ForegroundColorSpan;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+
+public class HttpAuthenticationDialog extends AppCompatDialogFragment{
+
+ // The private variables are used in `onCreate()` and `onCreateDialog()`.
+ private String httpAuthHost;
+ private String httpAuthRealm;
+
+ public static HttpAuthenticationDialog displayDialog(String host, String realm) {
+ // Store the strings in a `Bundle`.
+ Bundle argumentsBundle = new Bundle();
+ argumentsBundle.putString("Host", host);
+ argumentsBundle.putString("Realm", realm);
+
+ // Add `argumentsBundle` to this instance of `HttpAuthenticationDialog`.
+ HttpAuthenticationDialog thisHttpAuthenticationDialog = new HttpAuthenticationDialog();
+ thisHttpAuthenticationDialog.setArguments(argumentsBundle);
+ return thisHttpAuthenticationDialog;
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ // Save the host and realm in class variables.
+ httpAuthHost = getArguments().getString("Host");
+ httpAuthRealm = getArguments().getString("Realm");
+ }
+
+ // The public interface is used to send information back to the parent activity.
+ public interface HttpAuthenticationListener {
+ void onHttpAuthenticationCancel();
+
+ void onHttpAuthenticationProceed(AppCompatDialogFragment dialogFragment);
+ }
+
+ // `httpAuthenticationListener` is used in `onAttach()` and `onCreateDialog()`
+ private HttpAuthenticationListener httpAuthenticationListener;
+
+ public void onAttach(Context context) {
+ super.onAttach(context);
+
+ // Get a handle for `httpAuthenticationListener` from `context`.
+ try {
+ httpAuthenticationListener = (HttpAuthenticationListener) context;
+ } catch(ClassCastException exception) {
+ throw new ClassCastException(context.toString() + " must implement `HttpAuthenticationListener`.");
+ }
+ }
+
+ // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+ @SuppressLint("InflateParams")
+ @Override
+ @NonNull
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Get the activity's layout inflater.
+ LayoutInflater layoutInflater = getActivity().getLayoutInflater();
+
+ // Use `AlertDialog.Builder` to create the `AlertDialog`.
+ AlertDialog.Builder dialogBuilder;
+
+ // Set the style according to the theme.
+ if (MainWebViewActivity.darkTheme) {
+ // Set the dialog theme.
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
+
+ // Set the icon.
+ dialogBuilder.setIcon(R.drawable.lock_dark);
+ } else {
+ // Set the dialog theme.
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
+
+ // Set the icon.
+ dialogBuilder.setIcon(R.drawable.lock_light);
+ }
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.http_authentication);
+
+ // Set the layout. The parent view is `null` because it will be assigned by `AlertDialog`.
+ dialogBuilder.setView(layoutInflater.inflate(R.layout.http_authentication_dialog, null));
+
+ // Setup the negative button.
+ dialogBuilder.setNegativeButton(R.string.close, new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ // Call `onHttpAuthenticationCancel()` and return the `DialogFragment` to the parent activity.
+ httpAuthenticationListener.onHttpAuthenticationCancel();
+ }
+ });
+
+ // Setup the positive button.
+ dialogBuilder.setPositiveButton(R.string.proceed, new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ // Call `onHttpAuthenticationProceed()` and return the `DialogFragment` to the parent activity.
+ httpAuthenticationListener.onHttpAuthenticationProceed(HttpAuthenticationDialog.this);
+ }
+ });
+
+ // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ final AlertDialog alertDialog = dialogBuilder.create();
+
+ // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`.
+ assert alertDialog.getWindow() != null;
+
+ // Show the keyboard when the `AlertDialog` is displayed on the screen.
+ alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
+
+ // The `AlertDialog` needs to be shown before `setOnKeyListener()` can be called.
+ alertDialog.show();
+
+ // Get handles for the views in `alertDialog`.
+ TextView realmTextView = (TextView) alertDialog.findViewById(R.id.http_authentication_realm);
+ TextView hostTextView = (TextView) alertDialog.findViewById(R.id.http_authentication_host);
+ EditText usernameEditText = (EditText) alertDialog.findViewById(R.id.http_authentication_username);
+ EditText passwordEditText = (EditText) alertDialog.findViewById(R.id.http_authentication_password);
+
+ // Set the realm text.
+ realmTextView.setText(httpAuthRealm);
+
+ // Set the realm text color according to the theme. The deprecated `.getColor()` must be used until API >= 23.
+ if (MainWebViewActivity.darkTheme) {
+ //noinspection deprecation
+ realmTextView.setTextColor(getResources().getColor(R.color.gray_300));
+ } else {
+ //noinspection deprecation
+ realmTextView.setTextColor(getResources().getColor(R.color.black));
+ }
+
+ // Initialize the host label and the `SpannableStringBuilder`.
+ String hostLabel = getString(R.string.host) + " ";
+ SpannableStringBuilder hostStringBuilder = new SpannableStringBuilder(hostLabel + httpAuthHost);
+
+ // Create a blue `ForegroundColorSpan`.
+ ForegroundColorSpan blueColorSpan;
+
+ // Set `blueColorSpan` according to the theme. The deprecated `getColor()` must be used until API >= 23.
+ if (MainWebViewActivity.darkTheme) {
+ //noinspection deprecation
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_400));
+ } else {
+ //noinspection deprecation
+ blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
+ }
+
+ // Setup the span to display the host name in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
+ hostStringBuilder.setSpan(blueColorSpan, hostLabel.length(), hostStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+
+ // Set the host text.
+ hostTextView.setText(hostStringBuilder);
+
+ // Allow the `enter` key on the keyboard to trigger `onHttpAuthenticationProceed` from `usernameEditText`.
+ usernameEditText.setOnKeyListener(new View.OnKeyListener() {
+ public boolean onKey(View view, int keyCode, KeyEvent event) {
+ // If the event is a key-down on the `enter` key, call `onHttpAuthenticationProceed()`.
+ if ((keyCode == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN)) {
+ // Trigger `onHttpAuthenticationProceed` and return the `DialogFragment` to the parent activity.
+ httpAuthenticationListener.onHttpAuthenticationProceed(HttpAuthenticationDialog.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 trigger `onHttpAuthenticationProceed()` from `passwordEditText`.
+ passwordEditText.setOnKeyListener(new View.OnKeyListener() {
+ public boolean onKey(View view, int keyCode, KeyEvent event) {
+ // If the event is a key-down on the `enter` key, call `onHttpAuthenticationProceed()`.
+ if ((keyCode == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN)) {
+ // Trigger `onHttpAuthenticationProceed` and return the `DialogFragment` to the parent activity.
+ httpAuthenticationListener.onHttpAuthenticationProceed(HttpAuthenticationDialog.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;
+ }
+ }
+ });
+
+ // `onCreateDialog()` requires the return of an `AlertDialog`.
+ return alertDialog;
+ }
+}
projects / PrivacyBrowserAndroid.git / blobdiff