/*
- * Copyright © 2018 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2018-2019 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import android.app.AlertDialog;
import android.app.Dialog;
-import android.app.DialogFragment;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
+import android.view.WindowManager;
import com.stoutner.privacybrowser.R;
import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment; // The AndroidX dialog fragment must be used or an error is produced on API <=22.
+
public class DownloadLocationPermissionDialog extends DialogFragment {
+ // The constants are used to differentiate between the two download types.
public static final int DOWNLOAD_FILE = 1;
public static final int DOWNLOAD_IMAGE = 2;
- private int downloadType;
+ // The listener is used in `onAttach()` and `onCreateDialog()`.
+ private DownloadLocationPermissionDialogListener downloadLocationPermissionDialogListener;
+
+ // The public interface is used to send information back to the parent activity.
+ public interface DownloadLocationPermissionDialogListener {
+ void onCloseDownloadLocationPermissionDialog(int downloadType);
+ }
+
+ @Override
+ public void onAttach(Context context) {
+ // Run the default commands.
+ super.onAttach(context);
+
+ // Get a handle for the listener from the launching context.
+ downloadLocationPermissionDialogListener = (DownloadLocationPermissionDialogListener) context;
+ }
public static DownloadLocationPermissionDialog downloadType(int type) {
// Create an arguments bundle.
Bundle argumentsBundle = new Bundle();
// Store the download type in the bundle.
- argumentsBundle.putInt("Download_Type", type);
+ argumentsBundle.putInt("download_type", type);
- // Add the arguments bundle to this instance of `DownloadLocationPermissionDialog`.
+ // Add the arguments bundle to this instance of the dialog.
DownloadLocationPermissionDialog thisDownloadLocationPermissionDialog = new DownloadLocationPermissionDialog();
thisDownloadLocationPermissionDialog.setArguments(argumentsBundle);
return thisDownloadLocationPermissionDialog;
}
+ @NonNull
@Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
-
- // Store the download type in the local class variable.
- downloadType = getArguments().getInt("Download_Type");
- }
-
- // The public interface is used to send information back to the parent activity.
- public interface DownloadLocationPermissionDialogListener {
- void onCloseDownloadLocationPermissionDialog(int downloadType);
- }
-
- // `downloadLocationPermissionDialogListener` is used in `onAttach()` and `onCreateDialog()`.
- private DownloadLocationPermissionDialogListener downloadLocationPermissionDialogListener;
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Remove the incorrect lint warning below that `getArguments().getInt()` might be null.
+ assert getArguments() != null;
- @Override
- public void onAttach(Context context) {
- super.onAttach(context);
+ // Store the download type in a local variable.
+ int downloadType = getArguments().getInt("download_type");
- // Check to make sure the parent activity implements the listener.
- try {
- downloadLocationPermissionDialogListener = (DownloadLocationPermissionDialogListener) context;
- } catch (ClassCastException exception) {
- throw new ClassCastException(context.toString() + " must implement DownloadLocationPermissionDialogListener.");
- }
- }
-
- @Override
- public Dialog onCreateDialog(Bundle savedInstanceState) {
// Use a builder to create the alert dialog.
AlertDialog.Builder dialogBuilder;
dialogBuilder.setIcon(R.drawable.downloads_light);
}
- // Set an `onClick` listener on the negative button. Using `null` as the listener closes the dialog without doing anything else.
+ // Set the title.
+ dialogBuilder.setTitle(R.string.download_location);
+
+ // Set the text.
+ dialogBuilder.setMessage(R.string.download_location_message);
+
+ // Set an `onClick` listener on the negative button.
dialogBuilder.setNegativeButton(R.string.ok, (DialogInterface dialog, int which) -> {
// Inform the parent activity that the dialog was closed.
downloadLocationPermissionDialogListener.onCloseDownloadLocationPermissionDialog(downloadType);
});
- // Set the title.
- dialogBuilder.setTitle(R.string.download_location);
+ // Create an alert dialog from the builder.
+ final AlertDialog alertDialog = dialogBuilder.create();
- // Set the text.
- dialogBuilder.setMessage(R.string.download_location_message);
+ // Disable screenshots if not allowed.
+ if (!MainWebViewActivity.allowScreenshots) {
+ // Remove the warning below that `getWindow()` might be null.
+ assert alertDialog.getWindow() != null;
+
+ // Disable screenshots.
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
- // `onCreateDialog` requires the return of an `AlertDialog`.
- return dialogBuilder.create();
+ // `onCreateDialog()` requires the return of an `AlertDialog`.
+ return alertDialog;
}
}
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