/*
- * 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.annotation.SuppressLint;
import android.app.AlertDialog;
import android.app.Dialog;
-import android.content.Context;
import android.content.DialogInterface;
+import android.content.SharedPreferences;
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.preference.PreferenceManager;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
+import android.webkit.HttpAuthHandler;
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.fragments.WebViewTabFragment;
+import com.stoutner.privacybrowser.views.NestedScrollWebView;
-public class HttpAuthenticationDialog extends AppCompatDialogFragment{
-
- // The private variables are used in `onCreate()` and `onCreateDialog()`.
- private String httpAuthHost;
- private String httpAuthRealm;
+public class HttpAuthenticationDialog extends DialogFragment{
+ // Define the class variables.
+ private EditText usernameEditText;
+ private EditText passwordEditText;
- public static HttpAuthenticationDialog displayDialog(String host, String realm) {
- // Store the strings in a `Bundle`.
+ public static HttpAuthenticationDialog displayDialog(String host, String realm, long webViewFragmentId) {
+ // Create an arguments bundle.
Bundle argumentsBundle = new Bundle();
- argumentsBundle.putString("Host", host);
- argumentsBundle.putString("Realm", realm);
- // Add `argumentsBundle` to this instance of `HttpAuthenticationDialog`.
+ // Store the variables in the bundle.
+ argumentsBundle.putString("host", host);
+ argumentsBundle.putString("realm", realm);
+ argumentsBundle.putLong("webview_fragment_id", webViewFragmentId);
+
+ // Create a new instance of the HTTP authentication dialog.
HttpAuthenticationDialog thisHttpAuthenticationDialog = new HttpAuthenticationDialog();
+
+ // Add the arguments bundle to the new dialog.
thisHttpAuthenticationDialog.setArguments(argumentsBundle);
+
+ // Return the new dialog.
return thisHttpAuthenticationDialog;
}
+ // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+ @SuppressLint("InflateParams")
@Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
+ @NonNull
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Get a handle for the arguments.
+ Bundle arguments = getArguments();
- // Save the host and realm in class variables.
- httpAuthHost = getArguments().getString("Host");
- httpAuthRealm = getArguments().getString("Realm");
- }
+ // Remove the incorrect lint warning below that arguments might be null.
+ assert arguments != null;
- // The public interface is used to send information back to the parent activity.
- public interface HttpAuthenticationListener {
- void onHttpAuthenticationCancel();
+ // Get the variables from the bundle.
+ String httpAuthHost = arguments.getString("host");
+ String httpAuthRealm = arguments.getString("realm");
+ long webViewFragmentId = arguments.getLong("webview_fragment_id");
- void onHttpAuthenticationProceed(AppCompatDialogFragment dialogFragment);
- }
+ // Get the current position of this WebView fragment.
+ int webViewPosition = MainWebViewActivity.webViewPagerAdapter.getPositionForId(webViewFragmentId);
- // `httpAuthenticationListener` is used in `onAttach()` and `onCreateDialog()`
- private HttpAuthenticationListener httpAuthenticationListener;
+ // Get the WebView tab fragment.
+ WebViewTabFragment webViewTabFragment = MainWebViewActivity.webViewPagerAdapter.getPageFragment(webViewPosition);
- public void onAttach(Context context) {
- super.onAttach(context);
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
- // Get a handle for `httpAuthenticationListener` from `context`.
- try {
- httpAuthenticationListener = (HttpAuthenticationListener) context;
- } catch(ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement `HttpAuthenticationListener`.");
- }
- }
+ // Remove the incorrect lint warning below that the fragment view might be null.
+ assert fragmentView != null;
+
+ // Get a handle for the current WebView.
+ NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview);
+
+ // Get a handle for the HTTP authentication handler.
+ HttpAuthHandler httpAuthHandler = nestedScrollWebView.getHttpAuthHandler();
+
+ // Remove the incorrect lint warning that `getActivity()` might be null.
+ assert getActivity() != null;
- // `@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`.
+ // 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 darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+ boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+
// Set the style according to the theme.
- if (MainWebViewActivity.darkTheme) {
+ if (darkTheme) {
// Set the dialog theme.
dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
// 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 close button.
+ dialogBuilder.setNegativeButton(R.string.close, (DialogInterface dialog, int which) -> {
+ // Cancel the HTTP authentication request.
+ httpAuthHandler.cancel();
+
+ // Reset the HTTP authentication handler.
+ nestedScrollWebView.resetHttpAuthHandler();
});
- // 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);
- }
+ // Setup the proceed button.
+ dialogBuilder.setPositiveButton(R.string.proceed, (DialogInterface dialog, int which) -> {
+ // Send the login information
+ login(httpAuthHandler);
+
+ // Reset the HTTP authentication handler.
+ nestedScrollWebView.resetHttpAuthHandler();
});
- // Create an `AlertDialog` from the `AlertDialog.Builder`.
+ // Create an alert dialog from the alert dialog 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 (!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` needs to be shown before `setOnKeyListener()` can be called.
+ // The alert dialog needs to be shown before the contents can be modified.
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);
+ // Get handles for the views.
+ TextView realmTextView = alertDialog.findViewById(R.id.http_authentication_realm);
+ TextView hostTextView = alertDialog.findViewById(R.id.http_authentication_host);
+ usernameEditText = alertDialog.findViewById(R.id.http_authentication_username);
+ passwordEditText = 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
+ if (darkTheme) {
realmTextView.setTextColor(getResources().getColor(R.color.gray_300));
} else {
- //noinspection deprecation
realmTextView.setTextColor(getResources().getColor(R.color.black));
}
ForegroundColorSpan blueColorSpan;
// Set `blueColorSpan` according to the theme. The deprecated `getColor()` must be used until API >= 23.
- if (MainWebViewActivity.darkTheme) {
- //noinspection deprecation
+ if (darkTheme) {
blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_400));
} else {
- //noinspection deprecation
blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
}
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;
- }
+ usernameEditText.setOnKeyListener((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)) {
+ // Send the login information.
+ login(httpAuthHandler);
+
+ // 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;
}
});
// 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;
- }
+ passwordEditText.setOnKeyListener((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)) {
+ // Send the login information.
+ login(httpAuthHandler);
+
+ // 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;
}
-}
+
+ private void login(HttpAuthHandler httpAuthHandler) {
+ // Send the login information.
+ httpAuthHandler.proceed(usernameEditText.getText().toString(), passwordEditText.getText().toString());
+ }
+}
\ No newline at end of file