X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FHttpAuthenticationDialog.java;fp=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FHttpAuthenticationDialog.java;h=993c8c3d59d7369ab9a45e4c1b308b89a8ad5dcf;hb=e75f230075b4059be6a9b6d27d8b6b202c74a6ff;hp=0000000000000000000000000000000000000000;hpb=2e89243b891eaa56a55a992c3513a337236f56e6;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/HttpAuthenticationDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/HttpAuthenticationDialog.java new file mode 100644 index 00000000..993c8c3d --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/HttpAuthenticationDialog.java @@ -0,0 +1,235 @@ +/* + * Copyright © 2017 Soren Stoutner . + * + * This file is part of 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 . + */ + +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; + } +}