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/*
* Copyright (C) 2012-2013 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 org.spongycastle.openpgp.PGPPublicKeyRing;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.R;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
public class DeleteKeyDialogFragment extends DialogFragment {
private static final String ARG_MESSENGER = "messenger";
private static final String ARG_DELETE_KEY_RING_ROW_ID = "delete_file";
private static final String ARG_KEY_TYPE = "key_type";
public static final int MESSAGE_OKAY = 1;
private Messenger mMessenger;
/**
* Creates new instance of this delete file dialog fragment
*/
public static DeleteKeyDialogFragment newInstance(Messenger messenger, long deleteKeyRingRowId,
int keyType) {
DeleteKeyDialogFragment frag = new DeleteKeyDialogFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_MESSENGER, messenger);
args.putLong(ARG_DELETE_KEY_RING_ROW_ID, deleteKeyRingRowId);
args.putInt(ARG_KEY_TYPE, keyType);
frag.setArguments(args);
return frag;
}
/**
* Creates dialog
*/
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final FragmentActivity activity = getActivity();
mMessenger = getArguments().getParcelable(ARG_MESSENGER);
final long deleteKeyRingRowId = getArguments().getLong(ARG_DELETE_KEY_RING_ROW_ID);
final int keyType = getArguments().getInt(ARG_KEY_TYPE);
// TODO: better way to do this?
String userId = activity.getString(R.string.unknown_user_id);
if (keyType == Id.type.public_key) {
PGPPublicKeyRing keyRing = ProviderHelper.getPGPPublicKeyRingByRowId(activity,
deleteKeyRingRowId);
userId = PgpKeyHelper.getMainUserIdSafe(activity, PgpKeyHelper.getMasterKey(keyRing));
} else {
PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByRowId(activity,
deleteKeyRingRowId);
userId = PgpKeyHelper.getMainUserIdSafe(activity, PgpKeyHelper.getMasterKey(keyRing));
}
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
builder.setTitle(R.string.warning);
builder.setMessage(getString(
keyType == Id.type.public_key ? R.string.key_deletion_confirmation
: R.string.secret_key_deletion_confirmation, userId));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
if (keyType == Id.type.public_key) {
ProviderHelper.deletePublicKeyRing(activity, deleteKeyRingRowId);
} else {
ProviderHelper.deleteSecretKeyRing(activity, deleteKeyRingRowId);
}
dismiss();
sendMessageToHandler(MESSAGE_OKAY);
}
});
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
}
});
return builder.create();
}
/**
* Send message back to handler which is initialized in a activity
*
* @param what
* Message integer you want to send
*/
private void sendMessageToHandler(Integer what) {
Message msg = Message.obtain();
msg.what = what;
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
} catch (NullPointerException e) {
Log.w(Constants.TAG, "Messenger is null!", e);
}
}
}
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