+++ /dev/null
-/*
- * Copyright © 2019-2020 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.Manifest;
-import android.annotation.SuppressLint;
-import android.app.Activity;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.content.res.Configuration;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Environment;
-import android.provider.DocumentsContract;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.view.View;
-import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.core.content.ContextCompat;
-import androidx.fragment.app.DialogFragment;
-import androidx.preference.PreferenceManager;
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.activities.MainWebViewActivity;
-import com.stoutner.privacybrowser.helpers.DownloadLocationHelper;
-
-import java.io.File;
-
-public class OpenDialog extends DialogFragment {
- // Define the open listener.
- private OpenListener openListener;
-
- // The public interface is used to send information back to the parent activity.
- public interface OpenListener {
- void onOpen(DialogFragment dialogFragment);
- }
-
- @Override
- public void onAttach(@NonNull Context context) {
- // Run the default commands.
- super.onAttach(context);
-
- // Get a handle for the open listener from the launching context.
- openListener = (OpenListener) context;
- }
-
- // `@SuppressLint("InflateParams")` removes the warning about using null as the parent view group when inflating the alert dialog.
- @SuppressLint("InflateParams")
- @Override
- @NonNull
- public Dialog onCreateDialog(Bundle savedInstanceState) {
- // Get a handle for the activity and the context.
- Activity activity = requireActivity();
- Context context = requireContext();
-
- // Use an alert dialog builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialog);
-
- // Get the current theme status.
- int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
-
- // Set the icon according to the theme.
- if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
- dialogBuilder.setIcon(R.drawable.proxy_enabled_night);
- } else {
- dialogBuilder.setIcon(R.drawable.proxy_enabled_day);
- }
-
- // Set the title.
- dialogBuilder.setTitle(R.string.open);
-
- // Set the view. The parent view is null because it will be assigned by the alert dialog.
- dialogBuilder.setView(activity.getLayoutInflater().inflate(R.layout.open_dialog, null));
-
- // Set the cancel button listener. Using `null` as the listener closes the dialog without doing anything else.
- dialogBuilder.setNegativeButton(R.string.cancel, null);
-
- // Set the open button listener.
- dialogBuilder.setPositiveButton(R.string.open, (DialogInterface dialog, int which) -> {
- // Return the dialog fragment to the parent activity.
- openListener.onOpen(this);
- });
-
- // Create an alert dialog from the builder.
- AlertDialog alertDialog = dialogBuilder.create();
-
- // Remove the incorrect lint warning below that the window might be null.
- assert alertDialog.getWindow() != null;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
-
- // Get the screenshot preference.
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
- }
-
- // The alert dialog must be shown before items in the layout can be modified.
- alertDialog.show();
-
- // Get handles for the layout items.
- EditText fileNameEditText = alertDialog.findViewById(R.id.file_name_edittext);
- Button browseButton = alertDialog.findViewById(R.id.browse_button);
- TextView fileDoesNotExistTextView = alertDialog.findViewById(R.id.file_does_not_exist_textview);
- TextView storagePermissionTextView = alertDialog.findViewById(R.id.storage_permission_textview);
- Button openButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
-
- // Remove the incorrect lint warnings below that the views might be null.
- assert fileNameEditText != null;
- assert browseButton != null;
- assert fileDoesNotExistTextView != null;
- assert storagePermissionTextView != null;
-
- // Update the status of the open button when the file name changes.
- fileNameEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable editable) {
- // Get the current file name.
- String fileNameString = fileNameEditText.getText().toString();
-
- // Convert the file name string to a file.
- File file = new File(fileNameString);
-
- // Check to see if the file exists.
- if (file.exists()) { // The file exists.
- // Hide the notification that the file does not exist.
- fileDoesNotExistTextView.setVisibility(View.GONE);
-
- // Enable the open button.
- openButton.setEnabled(true);
- } else { // The file does not exist.
- // Show the notification that the file does not exist.
- fileDoesNotExistTextView.setVisibility(View.VISIBLE);
-
- // Disable the open button.
- openButton.setEnabled(false);
- }
- }
- });
-
- // Instantiate the download location helper.
- DownloadLocationHelper downloadLocationHelper = new DownloadLocationHelper();
-
- // Get the default file path.
- String defaultFilePath = downloadLocationHelper.getDownloadLocation(context) + "/";
-
- // Display the default file path.
- fileNameEditText.setText(defaultFilePath);
-
- // Move the cursor to the end of the default file path.
- fileNameEditText.setSelection(defaultFilePath.length());
-
- // Hide the storage permission text view if the permission has already been granted.
- if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
- storagePermissionTextView.setVisibility(View.GONE);
- }
-
- // Handle clicks on the browse button.
- browseButton.setOnClickListener((View view) -> {
- // Create the file picker intent.
- Intent browseIntent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
-
- // Set the intent MIME type to include all files so that everything is visible.
- browseIntent.setType("*/*");
-
- // Set the initial directory if the minimum API >= 26.
- if (Build.VERSION.SDK_INT >= 26) {
- browseIntent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, Environment.getExternalStorageDirectory());
- }
-
- // Start the file picker. This must be started under `activity` to that the request code is returned correctly.
- activity.startActivityForResult(browseIntent, MainWebViewActivity.BROWSE_OPEN_REQUEST_CODE);
- });
-
- // Return the alert dialog.
- return alertDialog;
- }
-}