+++ /dev/null
-/*
- * Copyright © 2016-2019 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.annotation.SuppressLint;
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.SharedPreferences;
-import android.net.Uri;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.view.KeyEvent;
-import android.view.View;
-import android.view.WindowManager;
-import android.widget.EditText;
-
-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;
-
-public class DownloadImageDialog extends DialogFragment {
- // `downloadImageListener` is used in `onAttach()` and `onCreateDialog()`.
- private DownloadImageListener downloadImageListener;
-
- // The public interface is used to send information back to the parent activity.
- public interface DownloadImageListener {
- void onDownloadImage(DialogFragment dialogFragment, String downloadUrl);
- }
-
- // Check to make sure tha the parent activity implements the listener.
- @Override
- public void onAttach(@NonNull Context context) {
- // Run the default commands.
- super.onAttach(context);
-
- // Get a handle for `DownloadImageListener` from the launching context.
- downloadImageListener = (DownloadImageListener) context;
- }
-
- public static DownloadImageDialog imageUrl(String imageUrlString) {
- // Create an arguments bundle.
- Bundle argumentsBundle = new Bundle();
-
- // Create a variable for the image name string.
- String imageNameString;
-
- // Extract the image name string from the image URL.
- Uri imageUri = Uri.parse(imageUrlString);
- imageNameString = imageUri.getLastPathSegment();
-
- // Store the variables in the bundle.
- argumentsBundle.putString("URL", imageUrlString);
- argumentsBundle.putString("Image_Name", imageNameString);
-
- // Add the arguments bundle to this instance of `DownloadFileDialog`.
- DownloadImageDialog thisDownloadFileDialog = new DownloadImageDialog();
- thisDownloadFileDialog.setArguments(argumentsBundle);
- return thisDownloadFileDialog;
- }
-
- // `@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) {
- // Remove the warning below that `getArguments()` might be null.
- assert getArguments() != null;
-
- // Get the strings from the bundle.
- String imageUrl = getArguments().getString("URL");
- String imageFileName = getArguments().getString("Image_Name");
-
- // Remove the warning below that `.getActivity()` might be null.
- assert getActivity() != null;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
-
- // Get the screenshot and theme preferences.
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
- boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
-
- // Use and alert dialog builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder;
-
- // Set the style according to the theme.
- if (darkTheme) {
- dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
- } else {
- dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
- }
-
- // Set the title.
- dialogBuilder.setTitle(R.string.save_image_as);
-
- // Set the icon according to the theme.
- if (darkTheme) {
- dialogBuilder.setIcon(R.drawable.images_enabled_dark);
- } else {
- dialogBuilder.setIcon(R.drawable.images_enabled_light);
- }
-
- // Remove the incorrect lint warning below that `getActivity() might be null.
- assert getActivity() != null;
-
- // Set the view. The parent view is `null` because it will be assigned by `AlertDialog`.
- dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.download_image_dialog, null));
-
- // Set an listener on the negative button.
- dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
- // Do nothing if `Cancel` is clicked.
- });
-
- // 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.
- downloadImageListener.onDownloadImage(DownloadImageDialog.this, imageUrl);
- });
-
-
- // Create an alert dialog from the alert dialog builder.
- final AlertDialog alertDialog = dialogBuilder.create();
-
- // Remove the warning below that `getWindow()` might be null.
- assert alertDialog.getWindow() != null;
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
- }
-
- // Show the keyboard when `alertDialog` is displayed on the screen.
- alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
-
- // The alert dialog must be shown before the contents can be modified.
- alertDialog.show();
-
- // Set the text for `downloadImageNameTextView`.
- EditText downloadImageNameTextView = alertDialog.findViewById(R.id.download_image_name);
- downloadImageNameTextView.setText(imageFileName);
-
- // Allow the `enter` key on the keyboard to save the file from `downloadImageNameTextView`.
- downloadImageNameTextView.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 `onDownloadImage()` and return the `DialogFragment` and the URL to the parent activity.
- downloadImageListener.onDownloadImage(DownloadImageDialog.this, imageUrl);
-
- // 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;
- }
- });
-
- // `onCreateDialog` requires the return of an `AlertDialog`.
- return alertDialog;
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff