+++ /dev/null
-/*
- * Copyright 2016-2017 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.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.view.WindowManager;
-import android.widget.EditText;
-
-import com.stoutner.privacybrowser.R;
-
-// `android.support.v7.app.AlertDialog` uses more of the horizontal screen real estate versus `android.app.AlertDialog's` smaller width.
-// We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <=22.
-public class DownloadImage extends AppCompatDialogFragment {
-
- private String imageUrl;
- private String imageFileName;
-
- public static DownloadImage imageUrl(String imageUrlString) {
- // Create `argumentsBundle`.
- Bundle argumentsBundle = new Bundle();
-
- String imageNameString;
-
- Uri imageUri = Uri.parse(imageUrlString);
- imageNameString = imageUri.getLastPathSegment();
-
- // Store the variables in the `Bundle`.
- argumentsBundle.putString("URL", imageUrlString);
- argumentsBundle.putString("Image_Name", imageNameString);
-
- // Add `argumentsBundle` to this instance of `DownloadFile`.
- DownloadImage thisDownloadFileDialog = new DownloadImage();
- thisDownloadFileDialog.setArguments(argumentsBundle);
- return thisDownloadFileDialog;
- }
-
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- // Store the strings in the local class variables.
- imageUrl = getArguments().getString("URL");
- imageFileName = getArguments().getString("Image_Name");
- }
-
- // The public interface is used to send information back to the parent activity.
- public interface DownloadImageListener {
- void onDownloadImage(AppCompatDialogFragment dialogFragment, String downloadUrl);
- }
-
- // `downloadImageListener` is used in `onAttach()` and `onCreateDialog()`.
- private DownloadImageListener downloadImageListener;
-
- // Check to make sure tha the parent activity implements the listener.
- @Override
- public void onAttach(Context context) {
- super.onAttach(context);
- try {
- downloadImageListener = (DownloadImageListener) context;
- } catch (ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement DownloadImageListener.");
- }
- }
-
- // `@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) {
- // 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);
- dialogBuilder.setTitle(R.string.save_image_as);
- // The parent view is `null` because it will be assigned by `AlertDialog`.
- dialogBuilder.setView(layoutInflater.inflate(R.layout.download_image_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.
- }
- });
-
- // 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.
- downloadImageListener.onDownloadImage(DownloadImage.this, imageUrl);
- }
- });
-
-
- // 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 `downloadImageNameTextView`.
- EditText downloadImageNameTextView = (EditText) alertDialog.findViewById(R.id.download_image_name);
- assert downloadImageNameTextView != null; // Remove the warning on the following line that `downloadImageNameTextView` might be `null`.
- downloadImageNameTextView.setText(imageFileName);
-
- // Allow the `enter` key on the keyboard to save the file from `downloadImageNameTextView`.
- downloadImageNameTextView.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 `onDownloadImage()` and return the `DialogFragment` and the URL to the parent activity.
- downloadImageListener.onDownloadImage(DownloadImage.this, imageUrl);
- // 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