+++ /dev/null
-/**
- * Copyright 2016 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;
-
-import android.annotation.SuppressLint;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.net.Uri;
-import android.os.Bundle;
-import android.support.annotation.NonNull;
-// `android.support.v7.app.AlertDialog` uses more of the horizontal screen real estate versus `android.app.AlertDialog's` smaller width.
-import android.support.v7.app.AlertDialog;
-// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <=22.
-import android.support.v7.app.AppCompatDialogFragment;
-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 java.util.Locale;
-
-public class DownloadFile extends AppCompatDialogFragment {
-
- private String downloadUrl;
- private String downloadFileName;
- private String fileSize;
-
- public static DownloadFile fromUrl(String urlString, String contentDisposition, long contentLength) {
- // Create `argumentsBundle`.
- Bundle argumentsBundle = new Bundle();
-
- String fileNameString;
-
- // Parse `filename` from `contentDisposition`.
- if (contentDisposition.contains("filename=\"")) { // The file name is contained in a string surrounded by `""`.
- fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=\"") + 10, contentDisposition.indexOf("\"", contentDisposition.indexOf("filename=\"") + 10));
- } else if (contentDisposition.contains("filename=") && ((contentDisposition.indexOf(";", contentDisposition.indexOf("filename=") + 9)) > 0 )) { // The file name is contained in a string beginning with `filename=` and ending with `;`.
- fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=") + 9, contentDisposition.indexOf(";", contentDisposition.indexOf("filename=") + 9));
- } else if (contentDisposition.contains("filename=")) { // The file name is contained in a string beginning with `filename=` and proceeding to the end of `contentDisposition`.
- fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=") + 9, contentDisposition.length());
- } else { // `contentDisposition` does not contain the filename, so use the last path segment of the URL.
- Uri downloadUri = Uri.parse(urlString);
- fileNameString = downloadUri.getLastPathSegment();
- }
-
- // Store the variables in the `Bundle`.
- argumentsBundle.putString("URL", urlString);
- argumentsBundle.putString("File_Name", fileNameString);
- argumentsBundle.putLong("File_Size", contentLength);
-
- // Add `argumentsBundle` to this instance of `DownloadFile`.
- DownloadFile thisDownloadFileDialog = new DownloadFile();
- thisDownloadFileDialog.setArguments(argumentsBundle);
- return thisDownloadFileDialog;
- }
-
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- // Store the strings in the local class variables.
- downloadUrl = getArguments().getString("URL");
- downloadFileName = getArguments().getString("File_Name");
-
- // Get the `File_Size`.
- long fileSizeLong = getArguments().getLong("File_Size");
-
- // Convert `fileSizeLong` to a String.
- if (fileSizeLong == -1) { // We don't know the file size.
- fileSize = getString(R.string.unknown_size);
- } else { // Convert `fileSize` to MB and store it in `fileSizeString`. `%.3g` displays the three most significant digits.
- fileSize = String.format(Locale.getDefault(), "%.3g", (float) fileSizeLong / 1048576) + " MB";
- }
- }
-
- // The public interface is used to send information back to the parent activity.
- public interface DownloadFileListener {
- void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl);
- }
-
- // `downloadFileListener` is used in `onAttach()` and `onCreateDialog()`.
- private DownloadFileListener downloadFileListener;
-
- @Override
- public void onAttach(Context context) {
- super.onAttach(context);
-
- // Check to make sure the parent activity implements the listener.
- try {
- downloadFileListener = (DownloadFileListener) context;
- } catch (ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement DownloadFileListener.");
- }
- }
-
- @Override
- @NonNull
- // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
- @SuppressLint("InflateParams")
- public Dialog onCreateDialog(Bundle savedInstanceState) {
- // Get the activity's layout inflater.
- LayoutInflater layoutInflater = getActivity().getLayoutInflater();
-
- // Use `AlertDialog.Builder` to create the `AlertDialog`. `R.style.lightAlertDialog` formats the color of the button text.
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
-
- // Set the title.
- dialogBuilder.setTitle(R.string.save_as);
-
- // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`.
- dialogBuilder.setView(layoutInflater.inflate(R.layout.download_file_dialog, null));
-
- // Set an `onClick()` listener on the negative button.
- dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- // Do nothing if `Cancel` is clicked. The `Dialog` will automatically close.
- }
- });
-
- // Set an `onClick()` listener on the positive button
- dialogBuilder.setPositiveButton(R.string.download, new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- // trigger `onDownloadFile()` and return the `DialogFragment` and the download URL to the parent activity.
- downloadFileListener.onDownloadFile(DownloadFile.this, downloadUrl);
- }
- });
-
- // 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 `alertDialog` is displayed on the screen.
- alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
-
- // We need to show `alertDialog` before we can modify the contents.
- alertDialog.show();
-
- // Set the text for `downloadFileSizeTextView`.
- TextView downloadFileSizeTextView = (TextView) alertDialog.findViewById(R.id.download_file_size);
- assert downloadFileSizeTextView != null; // Remove the warning on the following line that `downloadFileSizeTextView` might be `null`.
- downloadFileSizeTextView.setText(fileSize);
-
- // Set the text for `downloadFileNameTextView`.
- EditText downloadFileNameTextView = (EditText) alertDialog.findViewById(R.id.download_file_name);
- assert downloadFileNameTextView != null; // Remove the warning on the following line that `downloadFileNameTextView` might be `null`.
- downloadFileNameTextView.setText(downloadFileName);
-
- // Allow the `enter` key on the keyboard to save the file from `downloadFileNameTextView`.
- downloadFileNameTextView.setOnKeyListener(new View.OnKeyListener() {
- @Override
- public boolean onKey (View v, int keyCode, KeyEvent event) {
- // If the event is an `ACTION_DOWN` on the `enter` key, initiate the download.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
- // trigger `onDownloadFile()` and return the `DialogFragment` and the URL to the parent activity.
- downloadFileListener.onDownloadFile(DownloadFile.this, downloadUrl);
- // Manually dismiss `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;
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff