/*
- * 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.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
+import android.content.SharedPreferences;
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.preference.PreferenceManager;
import android.view.KeyEvent;
-import android.view.LayoutInflater;
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;
-import com.stoutner.privacybrowser.activities.MainWebViewActivity;
-// `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 DownloadImageDialog extends AppCompatDialogFragment {
+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);
- private String imageUrl;
- private String imageFileName;
+ // Get a handle for `DownloadImageListener` from the launching context.
+ downloadImageListener = (DownloadImageListener) context;
+ }
public static DownloadImageDialog imageUrl(String imageUrlString) {
- // Create `argumentsBundle`.
+ // 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`.
+ // Store the variables in the bundle.
argumentsBundle.putString("URL", imageUrlString);
argumentsBundle.putString("Image_Name", imageNameString);
- // Add `argumentsBundle` to this instance of `DownloadFileDialog`.
+ // Add the arguments bundle to this instance of `DownloadFileDialog`.
DownloadImageDialog thisDownloadFileDialog = new DownloadImageDialog();
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();
+ // Remove the warning below that `getArguments()` might be null.
+ assert getArguments() != null;
- // Use `AlertDialog.Builder` to create the `AlertDialog`.
+ // 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 (MainWebViewActivity.darkTheme) {
+ 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(layoutInflater.inflate(R.layout.download_image_dialog, null));
+ dialogBuilder.setView(getActivity().getLayoutInflater().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 listener on the negative button.
+ dialogBuilder.setNegativeButton(R.string.cancel, (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(DownloadImageDialog.this, imageUrl);
- }
+ // 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 `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;
+ // 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);
- // We need to show `alertDialog` before we can modify the contents.
+ // The alert dialog must be shown before the contents can be modified.
alertDialog.show();
// Set the text for `downloadImageNameTextView`.
- EditText downloadImageNameTextView = (EditText) alertDialog.findViewById(R.id.download_image_name);
+ 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(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(DownloadImageDialog.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;
- }
+ 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;
}
projects / PrivacyBrowserAndroid.git / blobdiff