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/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui.dialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.provider.DocumentsContract;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import android.widget.Toast;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.service.KeychainIntentService;
import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
public class DeleteFileDialogFragment extends DialogFragment {
private static final String ARG_DELETE_FILE = "delete_file";
private static final String ARG_DELETE_URI = "delete_uri";
/**
* Creates new instance of this delete file dialog fragment
*/
public static DeleteFileDialogFragment newInstance(String deleteFile) {
DeleteFileDialogFragment frag = new DeleteFileDialogFragment();
Bundle args = new Bundle();
args.putString(ARG_DELETE_FILE, deleteFile);
frag.setArguments(args);
return frag;
}
/**
* Creates new instance of this delete file dialog fragment
*/
public static DeleteFileDialogFragment newInstance(Uri deleteUri) {
DeleteFileDialogFragment frag = new DeleteFileDialogFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_DELETE_URI, deleteUri);
frag.setArguments(args);
return frag;
}
/**
* Creates dialog
*/
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final FragmentActivity activity = getActivity();
final Uri deleteUri = getArguments().containsKey(ARG_DELETE_URI) ? getArguments().<Uri>getParcelable(ARG_DELETE_URI) : null;
final String deleteFile = getArguments().getString(ARG_DELETE_FILE);
CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(activity);
alert.setIcon(R.drawable.ic_dialog_alert_holo_light);
alert.setTitle(R.string.warning);
alert.setMessage(this.getString(R.string.file_delete_confirmation, deleteFile));
alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
if (deleteUri != null) {
// We can not securely delete Documents, so just use usual delete on them
DocumentsContract.deleteDocument(getActivity().getContentResolver(), deleteUri);
return;
}
// Send all information needed to service to edit key in other thread
Intent intent = new Intent(activity, KeychainIntentService.class);
// fill values for this action
Bundle data = new Bundle();
intent.setAction(KeychainIntentService.ACTION_DELETE_FILE_SECURELY);
data.putString(KeychainIntentService.DELETE_FILE, deleteFile);
intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
ProgressDialogFragment deletingDialog = ProgressDialogFragment.newInstance(
getString(R.string.progress_deleting_securely),
ProgressDialog.STYLE_HORIZONTAL,
false,
null);
// Message is received after deleting is done in KeychainIntentService
KeychainIntentServiceHandler saveHandler =
new KeychainIntentServiceHandler(activity, deletingDialog) {
public void handleMessage(Message message) {
// handle messages by standard KeychainIntentHandler first
super.handleMessage(message);
if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
Toast.makeText(activity, R.string.file_delete_successful,
Toast.LENGTH_SHORT).show();
}
}
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
deletingDialog.show(activity.getSupportFragmentManager(), "deletingDialog");
// start service with intent
activity.startService(intent);
}
});
alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dismiss();
}
});
alert.setCancelable(true);
return alert.show();
}
}
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