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/*
* Copyright (C) 2014-2015 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 android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.tokenautocomplete.TokenCompleteTextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.widget.EncryptKeyCompletionView;
import org.sufficientlysecure.keychain.ui.widget.KeySpinner;
import org.sufficientlysecure.keychain.util.Log;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class EncryptModeAsymmetricFragment extends Fragment {
public interface IAsymmetric {
public void onSignatureKeyIdChanged(long signatureKeyId);
public void onEncryptionKeyIdsChanged(long[] encryptionKeyIds);
public void onEncryptionUserIdsChanged(String[] encryptionUserIds);
}
ProviderHelper mProviderHelper;
// view
private KeySpinner mSign;
private EncryptKeyCompletionView mEncryptKeyView;
// model
private IAsymmetric mEncryptInterface;
// @Override
// public void onNotifyUpdate() {
// if (mSign != null) {
// mSign.setSelectedKeyId(mEncryptInterface.getSignatureKey());
// }
// }
public static final String ARG_SINGATURE_KEY_ID = "signature_key_id";
public static final String ARG_ENCRYPTION_KEY_IDS = "encryption_key_ids";
/**
* Creates new instance of this fragment
*/
public static EncryptModeAsymmetricFragment newInstance(long signatureKey, long[] encryptionKeyIds) {
EncryptModeAsymmetricFragment frag = new EncryptModeAsymmetricFragment();
Bundle args = new Bundle();
args.putLong(ARG_SINGATURE_KEY_ID, signatureKey);
args.putLongArray(ARG_ENCRYPTION_KEY_IDS, encryptionKeyIds);
frag.setArguments(args);
return frag;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
mEncryptInterface = (IAsymmetric) activity;
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString() + " must implement IAsymmetric");
}
}
/**
* Inflate the layout for this fragment
*/
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.encrypt_asymmetric_fragment, container, false);
mSign = (KeySpinner) view.findViewById(R.id.sign);
mSign.setOnKeyChangedListener(new KeySpinner.OnKeyChangedListener() {
@Override
public void onKeyChanged(long masterKeyId) {
mEncryptInterface.onSignatureKeyIdChanged(masterKeyId);
}
});
mEncryptKeyView = (EncryptKeyCompletionView) view.findViewById(R.id.recipient_list);
mEncryptKeyView.setThreshold(1); // Start working from first character
return view;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mProviderHelper = new ProviderHelper(getActivity());
// preselect keys given
long signatureKeyId = getArguments().getLong(ARG_SINGATURE_KEY_ID);
long[] encryptionKeyIds = getArguments().getLongArray(ARG_ENCRYPTION_KEY_IDS);
preselectKeys(signatureKeyId, encryptionKeyIds);
mEncryptKeyView.setTokenListener(new TokenCompleteTextView.TokenListener() {
@Override
public void onTokenAdded(Object token) {
if (token instanceof EncryptKeyCompletionView.EncryptionKey) {
updateEncryptionKeys();
}
}
@Override
public void onTokenRemoved(Object token) {
if (token instanceof EncryptKeyCompletionView.EncryptionKey) {
updateEncryptionKeys();
}
}
});
}
/**
* If an Intent gives a signatureMasterKeyId and/or encryptionMasterKeyIds, preselect those!
*/
private void preselectKeys(long signatureKeyId, long[] encryptionKeyIds) {
if (signatureKeyId != Constants.key.none) {
try {
CachedPublicKeyRing keyring = mProviderHelper.getCachedPublicKeyRing(
KeyRings.buildUnifiedKeyRingUri(signatureKeyId));
if (keyring.hasAnySecret()) {
mEncryptInterface.onSignatureKeyIdChanged(keyring.getMasterKeyId());
mSign.setSelectedKeyId(signatureKeyId);
}
} catch (PgpKeyNotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
}
}
if (encryptionKeyIds != null) {
for (long preselectedId : encryptionKeyIds) {
try {
CachedPublicKeyRing ring = mProviderHelper.getCachedPublicKeyRing(
KeyRings.buildUnifiedKeyRingsFindBySubkeyUri(preselectedId));
mEncryptKeyView.addObject(mEncryptKeyView.new EncryptionKey(ring));
} catch (PgpKeyNotFoundException e) {
Log.e(Constants.TAG, "key not found!", e);
}
}
// This is to work-around a rendering bug in TokenCompleteTextView
mEncryptKeyView.requestFocus();
updateEncryptionKeys();
}
}
private void updateEncryptionKeys() {
List<Object> objects = mEncryptKeyView.getObjects();
List<Long> keyIds = new ArrayList<>();
List<String> userIds = new ArrayList<>();
for (Object object : objects) {
if (object instanceof EncryptKeyCompletionView.EncryptionKey) {
keyIds.add(((EncryptKeyCompletionView.EncryptionKey) object).getKeyId());
userIds.add(((EncryptKeyCompletionView.EncryptionKey) object).getUserId());
}
}
long[] keyIdsArr = new long[keyIds.size()];
Iterator<Long> iterator = keyIds.iterator();
for (int i = 0; i < keyIds.size(); i++) {
keyIdsArr[i] = iterator.next();
}
mEncryptInterface.onEncryptionKeyIdsChanged(keyIdsArr);
mEncryptInterface.onEncryptionUserIdsChanged(userIds.toArray(new String[userIds.size()]));
}
}
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