open-keychain/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/SelectSecretKeyLayoutFragment.java
2014-01-27 14:18:25 +01:00

140 lines
4.8 KiB
Java

/*
* Copyright (C) 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;
import org.spongycastle.openpgp.PGPSecretKey;
import org.spongycastle.openpgp.PGPSecretKeyRing;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.TextView;
import com.beardedhen.androidbootstrap.BootstrapButton;
public class SelectSecretKeyLayoutFragment extends Fragment {
private TextView mKeyUserId;
private TextView mKeyUserIdRest;
private BootstrapButton mSelectKeyButton;
private SelectSecretKeyCallback mCallback;
private static final int REQUEST_CODE_SELECT_KEY = 8882;
public interface SelectSecretKeyCallback {
void onKeySelected(long secretKeyId);
}
public void setCallback(SelectSecretKeyCallback callback) {
mCallback = callback;
}
public void selectKey(long secretKeyId) {
if (secretKeyId == Id.key.none) {
mKeyUserId.setText(R.string.api_settings_no_key);
mKeyUserIdRest.setText("");
} else {
String uid = getResources().getString(R.string.unknown_user_id);
String uidExtra = "";
PGPSecretKeyRing keyRing = ProviderHelper.getPGPSecretKeyRingByMasterKeyId(
getActivity(), secretKeyId);
if (keyRing != null) {
PGPSecretKey key = PgpKeyHelper.getMasterKey(keyRing);
if (key != null) {
String userId = PgpKeyHelper.getMainUserIdSafe(getActivity(), key);
String chunks[] = userId.split(" <", 2);
uid = chunks[0];
if (chunks.length > 1) {
uidExtra = "<" + chunks[1];
}
}
}
mKeyUserId.setText(uid);
mKeyUserIdRest.setText(uidExtra);
}
}
public void setError(String error) {
mKeyUserId.requestFocus();
mKeyUserId.setError(error);
}
/**
* Inflate the layout for this fragment
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.select_secret_key_layout_fragment, container, false);
mKeyUserId = (TextView) view.findViewById(R.id.select_secret_key_user_id);
mKeyUserIdRest = (TextView) view.findViewById(R.id.select_secret_key_user_id_rest);
mSelectKeyButton = (BootstrapButton) view
.findViewById(R.id.select_secret_key_select_key_button);
mSelectKeyButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startSelectKeyActivity();
}
});
return view;
}
private void startSelectKeyActivity() {
Intent intent = new Intent(getActivity(), SelectSecretKeyActivity.class);
startActivityForResult(intent, REQUEST_CODE_SELECT_KEY);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode & 0xFFFF) {
case REQUEST_CODE_SELECT_KEY: {
long secretKeyId;
if (resultCode == Activity.RESULT_OK) {
Bundle bundle = data.getExtras();
secretKeyId = bundle.getLong(SelectSecretKeyActivity.RESULT_EXTRA_MASTER_KEY_ID);
selectKey(secretKeyId);
// remove displayed errors
mKeyUserId.setError(null);
// give value back to callback
mCallback.onKeySelected(secretKeyId);
}
break;
}
default:
super.onActivityResult(requestCode, resultCode, data);
break;
}
}
}