/*
- * Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2019 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import android.content.DialogInterface;
import android.net.Uri;
import android.os.Bundle;
-import android.support.annotation.NonNull;
-// 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.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 java.util.Locale;
-public class DownloadFileDialog extends AppCompatDialogFragment {
+public class DownloadFileDialog extends DialogFragment {
+ // `downloadFileListener` is used in `onAttach()` and `onCreateDialog()`.
+ private DownloadFileListener downloadFileListener;
+
+ // The public interface is used to send information back to the parent activity.
+ public interface DownloadFileListener {
+ void onDownloadFile(DialogFragment dialogFragment, String downloadUrl);
+ }
+
+ @Override
+ public void onAttach(Context context) {
+ // Run the default commands.
+ super.onAttach(context);
- private String downloadUrl;
- private String downloadFileName;
- private String fileSize;
+ // Get a handle for `DownloadFileListener` from the launching context.
+ downloadFileListener = (DownloadFileListener) context;
+ }
public static DownloadFileDialog fromUrl(String urlString, String contentDisposition, long contentLength) {
- // Create `argumentsBundle`.
+ // Create an arguments bundle.
Bundle argumentsBundle = new Bundle();
+ // Create a variable for the file name string.
String fileNameString;
- // Parse `filename` from `contentDisposition`.
+ // Parse the 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 `;`.
+ } 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());
+ fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=") + 9);
} 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`.
+ // 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 `DownloadFileDialog`.
+ // Add the arguments bundle to this instance of `DownloadFileDialog`.
DownloadFileDialog thisDownloadFileDialog = new DownloadFileDialog();
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");
+ @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) {
+ // Remove the warning below that `getArguments()` might be null.
+ assert getArguments() != null;
- // Get the `File_Size`.
+ // Store the variables from the bundle.
+ String downloadUrl = getArguments().getString("URL");
+ String downloadFileName = getArguments().getString("File_Name");
long fileSizeLong = getArguments().getLong("File_Size");
+ // Initialize the file size string.
+ String fileSize;
+
// 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);
- }
+ // Remove the warning below that `getActivity()` might be null;
+ assert getActivity() != null;
- // `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`.
+ // Use an alert dialog builder to create the alert dialog.
AlertDialog.Builder dialogBuilder;
// Set the style according to the theme.
// 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 listener on the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, (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(DownloadFileDialog.this, downloadUrl);
- }
+ // Set an listener on the positive button
+ dialogBuilder.setPositiveButton(R.string.download, (DialogInterface dialog, int which) -> {
+ // trigger `onDownloadFile()` and return the `DialogFragment` and the download URL to the parent activity.
+ downloadFileListener.onDownloadFile(DownloadFileDialog.this, downloadUrl);
});
- // 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 `alertDialog` is displayed on the screen.
+ // Disable screenshots if not allowed.
+ if (!MainWebViewActivity.allowScreenshots) {
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
+ // Show the keyboard when alert dialog 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);
+ TextView downloadFileSizeTextView = alertDialog.findViewById(R.id.download_file_size);
downloadFileSizeTextView.setText(fileSize);
// Set the text for `downloadFileNameTextView`.
- EditText downloadFileNameTextView = (EditText) alertDialog.findViewById(R.id.download_file_name);
+ EditText downloadFileNameTextView = alertDialog.findViewById(R.id.download_file_name);
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(DownloadFileDialog.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;
- }
+ downloadFileNameTextView.setOnKeyListener((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(DownloadFileDialog.this, downloadUrl);
+
+ // 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;
}
});
projects / PrivacyBrowserAndroid.git / blobdiff