open-keychain/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/LookupUnknownKeyDialogFragm...

137 lines
4.6 KiB
Java

/*
* 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.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.helper.PgpHelper;
import org.sufficientlysecure.keychain.ui.KeyServerQueryActivity;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.Intent;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.v4.app.DialogFragment;
public class LookupUnknownKeyDialogFragment extends DialogFragment {
private static final String ARG_MESSENGER = "messenger";
private static final String ARG_UNKNOWN_KEY_ID = "unknown_key_id";
public static final int MESSAGE_OKAY = 1;
public static final int MESSAGE_CANCEL = 2;
private Messenger mMessenger;
/**
* Creates new instance of this dialog fragment
*
* @param messenger
* @param unknownKeyId
* @return
*/
public static LookupUnknownKeyDialogFragment newInstance(Messenger messenger, long unknownKeyId) {
LookupUnknownKeyDialogFragment frag = new LookupUnknownKeyDialogFragment();
Bundle args = new Bundle();
args.putLong(ARG_UNKNOWN_KEY_ID, unknownKeyId);
args.putParcelable(ARG_MESSENGER, messenger);
frag.setArguments(args);
return frag;
}
/**
* Creates dialog
*/
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Activity activity = getActivity();
final long unknownKeyId = getArguments().getLong(ARG_UNKNOWN_KEY_ID);
mMessenger = getArguments().getParcelable(ARG_MESSENGER);
AlertDialog.Builder alert = new AlertDialog.Builder(activity);
alert.setIcon(android.R.drawable.ic_dialog_alert);
alert.setTitle(R.string.title_unknownSignatureKey);
alert.setMessage(getString(R.string.lookupUnknownKey,
PgpHelper.getSmallFingerPrint(unknownKeyId)));
alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
sendMessageToHandler(MESSAGE_OKAY);
Intent intent = new Intent(activity, KeyServerQueryActivity.class);
intent.setAction(KeyServerQueryActivity.ACTION_LOOK_UP_KEY_ID);
intent.putExtra(KeyServerQueryActivity.EXTRA_KEY_ID, unknownKeyId);
startActivityForResult(intent, Id.request.look_up_key_id);
}
});
alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
sendMessageToHandler(MESSAGE_CANCEL);
}
});
alert.setCancelable(true);
alert.setOnCancelListener(new OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
sendMessageToHandler(MESSAGE_CANCEL);
}
});
return alert.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);
}
}
}