+++ /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.AlertDialog;
-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.net.Uri;
-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.core.content.ContextCompat;
-import androidx.fragment.app.DialogFragment;
-import androidx.preference.PreferenceManager;
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.activities.MainWebViewActivity;
-
-import java.io.File;
-
-public class SaveWebpageDialog extends DialogFragment {
- // Define the save webpage listener.
- private SaveWebpageListener saveWebpageListener;
-
- // The public interface is used to send information back to the parent activity.
- public interface SaveWebpageListener {
- void onSaveWebpage(int saveType, DialogFragment dialogFragment);
- }
-
- @Override
- public void onAttach(@NonNull Context context) {
- // Run the default commands.
- super.onAttach(context);
-
- // Get a handle for the save webpage listener from the launching context.
- saveWebpageListener = (SaveWebpageListener) context;
- }
-
- public static SaveWebpageDialog saveUrl(int saveType, String url) {
- // Create an arguments bundle.
- Bundle argumentsBundle = new Bundle();
-
- // Store the arguments in the bundle.
- argumentsBundle.putInt("save_type", saveType);
- argumentsBundle.putString("url", url);
-
- // Create a new instance of the save webpage dialog.
- SaveWebpageDialog saveWebpageDialog = new SaveWebpageDialog();
-
- // Add the arguments bundle to the new dialog.
- saveWebpageDialog.setArguments(argumentsBundle);
-
- // Return the new dialog.
- return saveWebpageDialog;
- }
-
- // `@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 arguments.
- Bundle arguments = getArguments();
-
- // Remove the incorrect lint warning that the arguments might be null.
- assert arguments != null;
-
- // Get the arguments from the bundle.
- int saveType = arguments.getInt("save_type");
- String url = arguments.getString("url");
-
- // Get a handle for the activity and the context.
- Activity activity = getActivity();
- Context context = getContext();
-
- // Remove the incorrect lint warnings below that the activity and context might be null.
- assert activity != null;
- assert context != null;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
-
- // Get the screenshot and theme preferences.
- boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
-
- // Use an alert dialog builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder;
-
- // Set the style and icon according to the theme.
- if (darkTheme) {
- // Set the style.
- dialogBuilder = new AlertDialog.Builder(activity, R.style.PrivacyBrowserAlertDialogDark);
-
- // Set the icon according to the save type.
- switch (saveType) {
- case StoragePermissionDialog.SAVE:
- dialogBuilder.setIcon(R.drawable.copy_enabled_dark);
- break;
-
- case StoragePermissionDialog.SAVE_AS_ARCHIVE:
- dialogBuilder.setIcon(R.drawable.dom_storage_cleared_dark);
- break;
-
- case StoragePermissionDialog.SAVE_AS_IMAGE:
- dialogBuilder.setIcon(R.drawable.images_enabled_dark);
- break;
- }
- } else {
- // Set the style.
- dialogBuilder = new AlertDialog.Builder(activity, R.style.PrivacyBrowserAlertDialogLight);
-
- // Set the icon according to the save type.
- switch (saveType) {
- case StoragePermissionDialog.SAVE:
- dialogBuilder.setIcon(R.drawable.copy_enabled_light);
- break;
-
- case StoragePermissionDialog.SAVE_AS_ARCHIVE:
- dialogBuilder.setIcon(R.drawable.dom_storage_cleared_light);
- break;
-
- case StoragePermissionDialog.SAVE_AS_IMAGE:
- dialogBuilder.setIcon(R.drawable.images_enabled_light);
- break;
- }
- }
-
- // Set the title according to the type.
- switch (saveType) {
- case StoragePermissionDialog.SAVE:
- dialogBuilder.setTitle(R.string.save);
- break;
-
- case StoragePermissionDialog.SAVE_AS_ARCHIVE:
- dialogBuilder.setTitle(R.string.save_archive);
- break;
-
- case StoragePermissionDialog.SAVE_AS_IMAGE:
- dialogBuilder.setTitle(R.string.save_image);
- break;
- }
-
- // Set the view. The parent view is null because it will be assigned by the alert dialog.
- dialogBuilder.setView(activity.getLayoutInflater().inflate(R.layout.save_webpage_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 save button listener.
- dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
- // Return the dialog fragment to the parent activity.
- saveWebpageListener.onSaveWebpage(saveType, 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;
-
- // 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 urlEditText = alertDialog.findViewById(R.id.url_edittext);
- EditText fileNameEditText = alertDialog.findViewById(R.id.file_name_edittext);
- Button browseButton = alertDialog.findViewById(R.id.browse_button);
- TextView fileExistsWarningTextView = alertDialog.findViewById(R.id.file_exists_warning_textview);
- TextView storagePermissionTextView = alertDialog.findViewById(R.id.storage_permission_textview);
- Button saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
-
- // Update the status of the save button whe the URL changes.
- urlEditText.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) {
- // Enable the save button if the URL and file name are populated.
- saveButton.setEnabled(!urlEditText.getText().toString().isEmpty() && !fileNameEditText.getText().toString().isEmpty());
- }
- });
-
- // Update the status of the save button when the file name changes.
- fileNameEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable s) {
- // 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()) {
- // Show the file exists warning.
- fileExistsWarningTextView.setVisibility(View.VISIBLE);
- } else {
- // Hide the file exists warning.
- fileExistsWarningTextView.setVisibility(View.GONE);
- }
-
- // Enable the save button if the file name is populated.
- saveButton.setEnabled(!fileNameString.isEmpty() && !urlEditText.getText().toString().isEmpty());
- }
- });
-
- // Create a file name string.
- String fileName = "";
-
- // Set the file name according to the type.
- switch (saveType) {
- case StoragePermissionDialog.SAVE:
- // Convert the URL to a URI.
- Uri uri = Uri.parse(url);
-
- // Get the last path segment.
- String lastPathSegment = uri.getLastPathSegment();
-
- // Use a default file name if the last path segment is null.
- if (lastPathSegment == null) {
- lastPathSegment = getString(R.string.file);
- }
-
- // Use the last path segment as the file name.
- fileName = lastPathSegment;
- break;
-
- case StoragePermissionDialog.SAVE_AS_ARCHIVE:
- fileName = getString(R.string.webpage_mht);
- break;
-
- case StoragePermissionDialog.SAVE_AS_IMAGE:
- fileName = getString(R.string.webpage_png);
- break;
- }
-
- // Save the file name as the default file name. This must be final to be used in the lambda below.
- final String defaultFileName = fileName;
-
- // Create a string for the default file path.
- String defaultFilePath;
-
- // Set the default file path according to the storage permission state.
- if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // The storage permission has been granted.
- // Set the default file path to use the external public directory.
- defaultFilePath = Environment.getExternalStorageDirectory() + "/" + defaultFileName;
-
- // Hide the storage permission text view.
- storagePermissionTextView.setVisibility(View.GONE);
- } else { // The storage permission has not been granted.
- // Set the default file path to use the external private directory.
- defaultFilePath = context.getExternalFilesDir(null) + "/" + defaultFileName;
- }
-
- // Populate the edit texts.
- urlEditText.setText(url);
- fileNameEditText.setText(defaultFilePath);
-
- // Move the cursor to the end of the default file path.
- fileNameEditText.setSelection(defaultFilePath.length());
-
- // Handle clicks on the browse button.
- browseButton.setOnClickListener((View view) -> {
- // Create the file picker intent.
- Intent browseIntent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
-
- // Set the intent MIME type to include all files so that everything is visible.
- browseIntent.setType("*/*");
-
- // Set the initial file name according to the type.
- browseIntent.putExtra(Intent.EXTRA_TITLE, defaultFileName);
-
- // Set the initial directory if the minimum API >= 26.
- if (Build.VERSION.SDK_INT >= 26) {
- browseIntent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, Environment.getExternalStorageDirectory());
- }
-
- // Request a file that can be opened.
- browseIntent.addCategory(Intent.CATEGORY_OPENABLE);
-
- // Start the file picker. This must be started under `activity` so that the request code is returned correctly.
- activity.startActivityForResult(browseIntent, MainWebViewActivity.BROWSE_SAVE_WEBPAGE_REQUEST_CODE);
- });
-
- // Return the alert dialog.
- return alertDialog;
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff